Home / 18,220.72-25,143.94-10,263.69

Finding the Fourth Proportional to 18,220.72, 25,143.94 and 10,263.69

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Solution

The fourth proportional to 18,220.72, 25,143.94 and 10,263.69 is: 14,163.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.72 : 25,143.94 = 10,263.69 : x
  2. Step 2: Convert to fraction form
    18,220.72/25,143.94 = 10,263.69/x
  3. Step 3: Cross multiply
    18,220.72x = 25,143.94 × 10,263.69
  4. Step 4: Simplify right side
    18,220.72x = 258,069,605.54
  5. Step 5: Solve for x
    x = 258,069,605.54/18,220.72
  6. Step 6: Final answer
    x = 14,163.52

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Half scale
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Double scale
Find fourth proportional to 18,221.72, 25,145.32 and 10,264.69
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.