Home / 10,372.76-15,565.68-5,445.92

Finding the Fourth Proportional to 10,372.76, 15,565.68 and 5,445.92

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Solution

The fourth proportional to 10,372.76, 15,565.68 and 5,445.92 is: 8,172.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.76 : 15,565.68 = 5,445.92 : x
  2. Step 2: Convert to fraction form
    10,372.76/15,565.68 = 5,445.92/x
  3. Step 3: Cross multiply
    10,372.76x = 15,565.68 × 5,445.92
  4. Step 4: Simplify right side
    10,372.76x = 84,769,448.03
  5. Step 5: Solve for x
    x = 84,769,448.03/10,372.76
  6. Step 6: Final answer
    x = 8,172.31

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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.