Home / 18,240.45-25,171.48-10,282.68

Finding the Fourth Proportional to 18,240.45, 25,171.48 and 10,282.68

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Solution

The fourth proportional to 18,240.45, 25,171.48 and 10,282.68 is: 14,189.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240.45 : 25,171.48 = 10,282.68 : x
  2. Step 2: Convert to fraction form
    18,240.45/25,171.48 = 10,282.68/x
  3. Step 3: Cross multiply
    18,240.45x = 25,171.48 × 10,282.68
  4. Step 4: Simplify right side
    18,240.45x = 258,830,315.74
  5. Step 5: Solve for x
    x = 258,830,315.74/18,240.45
  6. Step 6: Final answer
    x = 14,189.91

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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.