Home / 10,372.26-15,564.90-5,445.42

Finding the Fourth Proportional to 10,372.26, 15,564.90 and 5,445.42

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Solution

The fourth proportional to 10,372.26, 15,564.90 and 5,445.42 is: 8,171.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.26 : 15,564.90 = 5,445.42 : x
  2. Step 2: Convert to fraction form
    10,372.26/15,564.90 = 5,445.42/x
  3. Step 3: Cross multiply
    10,372.26x = 15,564.90 × 5,445.42
  4. Step 4: Simplify right side
    10,372.26x = 84,757,417.76
  5. Step 5: Solve for x
    x = 84,757,417.76/10,372.26
  6. Step 6: Final answer
    x = 8,171.55

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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.