Home / 18,220.98-25,145.02-10,263.34

Finding the Fourth Proportional to 18,220.98, 25,145.02 and 10,263.34

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Solution

The fourth proportional to 18,220.98, 25,145.02 and 10,263.34 is: 14,163.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.98 : 25,145.02 = 10,263.34 : x
  2. Step 2: Convert to fraction form
    18,220.98/25,145.02 = 10,263.34/x
  3. Step 3: Cross multiply
    18,220.98x = 25,145.02 × 10,263.34
  4. Step 4: Simplify right side
    18,220.98x = 258,071,889.57
  5. Step 5: Solve for x
    x = 258,071,889.57/18,220.98
  6. Step 6: Final answer
    x = 14,163.45

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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.