Home / 15,614.32-23,359.28-13,558.56

Finding the Fourth Proportional to 15,614.32, 23,359.28 and 13,558.56

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Solution

The fourth proportional to 15,614.32, 23,359.28 and 13,558.56 is: 20,283.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,614.32 : 23,359.28 = 13,558.56 : x
  2. Step 2: Convert to fraction form
    15,614.32/23,359.28 = 13,558.56/x
  3. Step 3: Cross multiply
    15,614.32x = 23,359.28 × 13,558.56
  4. Step 4: Simplify right side
    15,614.32x = 316,718,199.44
  5. Step 5: Solve for x
    x = 316,718,199.44/15,614.32
  6. Step 6: Final answer
    x = 20,283.83

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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.