Home / 10,372.40-15,614.66-9,453.86

Finding the Fourth Proportional to 10,372.40, 15,614.66 and 9,453.86

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Solution

The fourth proportional to 10,372.40, 15,614.66 and 9,453.86 is: 14,231.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.40 : 15,614.66 = 9,453.86 : x
  2. Step 2: Convert to fraction form
    10,372.40/15,614.66 = 9,453.86/x
  3. Step 3: Cross multiply
    10,372.40x = 15,614.66 × 9,453.86
  4. Step 4: Simplify right side
    10,372.40x = 147,618,809.59
  5. Step 5: Solve for x
    x = 147,618,809.59/10,372.40
  6. Step 6: Final answer
    x = 14,231.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.