Home / 12,500.16-18,729.48-8,794.61

Finding the Fourth Proportional to 12,500.16, 18,729.48 and 8,794.61

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Solution

The fourth proportional to 12,500.16, 18,729.48 and 8,794.61 is: 13,177.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500.16 : 18,729.48 = 8,794.61 : x
  2. Step 2: Convert to fraction form
    12,500.16/18,729.48 = 8,794.61/x
  3. Step 3: Cross multiply
    12,500.16x = 18,729.48 × 8,794.61
  4. Step 4: Simplify right side
    12,500.16x = 164,718,472.10
  5. Step 5: Solve for x
    x = 164,718,472.10/12,500.16
  6. Step 6: Final answer
    x = 13,177.31

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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.