Home / 18,283.28-25,229.61-10,729.91

Finding the Fourth Proportional to 18,283.28, 25,229.61 and 10,729.91

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Solution

The fourth proportional to 18,283.28, 25,229.61 and 10,729.91 is: 14,806.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,283.28 : 25,229.61 = 10,729.91 : x
  2. Step 2: Convert to fraction form
    18,283.28/25,229.61 = 10,729.91/x
  3. Step 3: Cross multiply
    18,283.28x = 25,229.61 × 10,729.91
  4. Step 4: Simplify right side
    18,283.28x = 270,711,507.71
  5. Step 5: Solve for x
    x = 270,711,507.71/18,283.28
  6. Step 6: Final answer
    x = 14,806.51

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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.