Home / 12,372.62-18,539.47-9,568.32

Finding the Fourth Proportional to 12,372.62, 18,539.47 and 9,568.32

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Solution

The fourth proportional to 12,372.62, 18,539.47 and 9,568.32 is: 14,337.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372.62 : 18,539.47 = 9,568.32 : x
  2. Step 2: Convert to fraction form
    12,372.62/18,539.47 = 9,568.32/x
  3. Step 3: Cross multiply
    12,372.62x = 18,539.47 × 9,568.32
  4. Step 4: Simplify right side
    12,372.62x = 177,391,581.59
  5. Step 5: Solve for x
    x = 177,391,581.59/12,372.62
  6. Step 6: Final answer
    x = 14,337.43

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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.