Home / 12,432.56-18,648.90-5,037.16

Finding the Fourth Proportional to 12,432.56, 18,648.90 and 5,037.16

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Solution

The fourth proportional to 12,432.56, 18,648.90 and 5,037.16 is: 7,555.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432.56 : 18,648.90 = 5,037.16 : x
  2. Step 2: Convert to fraction form
    12,432.56/18,648.90 = 5,037.16/x
  3. Step 3: Cross multiply
    12,432.56x = 18,648.90 × 5,037.16
  4. Step 4: Simplify right side
    12,432.56x = 93,937,493.12
  5. Step 5: Solve for x
    x = 93,937,493.12/12,432.56
  6. Step 6: Final answer
    x = 7,555.76

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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.