Home / 12,500.54-18,729.20-6,568.61

Finding the Fourth Proportional to 12,500.54, 18,729.20 and 6,568.61

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Solution

The fourth proportional to 12,500.54, 18,729.20 and 6,568.61 is: 9,841.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500.54 : 18,729.20 = 6,568.61 : x
  2. Step 2: Convert to fraction form
    12,500.54/18,729.20 = 6,568.61/x
  3. Step 3: Cross multiply
    12,500.54x = 18,729.20 × 6,568.61
  4. Step 4: Simplify right side
    12,500.54x = 123,024,810.41
  5. Step 5: Solve for x
    x = 123,024,810.41/12,500.54
  6. Step 6: Final answer
    x = 9,841.56

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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.