Home / 15,439.28-23,158.92-10,842.80

Finding the Fourth Proportional to 15,439.28, 23,158.92 and 10,842.80

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Solution

The fourth proportional to 15,439.28, 23,158.92 and 10,842.80 is: 16,264.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,439.28 : 23,158.92 = 10,842.80 : x
  2. Step 2: Convert to fraction form
    15,439.28/23,158.92 = 10,842.80/x
  3. Step 3: Cross multiply
    15,439.28x = 23,158.92 × 10,842.80
  4. Step 4: Simplify right side
    15,439.28x = 251,107,537.78
  5. Step 5: Solve for x
    x = 251,107,537.78/15,439.28
  6. Step 6: Final answer
    x = 16,264.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.