Home / 15,715.71-23,581.58-10,454.42

Finding the Fourth Proportional to 15,715.71, 23,581.58 and 10,454.42

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Solution

The fourth proportional to 15,715.71, 23,581.58 and 10,454.42 is: 15,686.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,715.71 : 23,581.58 = 10,454.42 : x
  2. Step 2: Convert to fraction form
    15,715.71/23,581.58 = 10,454.42/x
  3. Step 3: Cross multiply
    15,715.71x = 23,581.58 × 10,454.42
  4. Step 4: Simplify right side
    15,715.71x = 246,531,748.27
  5. Step 5: Solve for x
    x = 246,531,748.27/15,715.71
  6. Step 6: Final answer
    x = 15,686.96

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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.