Home / 12,394.91-18,592.38-8,713.61

Finding the Fourth Proportional to 12,394.91, 18,592.38 and 8,713.61

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Solution

The fourth proportional to 12,394.91, 18,592.38 and 8,713.61 is: 13,070.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,394.91 : 18,592.38 = 8,713.61 : x
  2. Step 2: Convert to fraction form
    12,394.91/18,592.38 = 8,713.61/x
  3. Step 3: Cross multiply
    12,394.91x = 18,592.38 × 8,713.61
  4. Step 4: Simplify right side
    12,394.91x = 162,006,655.33
  5. Step 5: Solve for x
    x = 162,006,655.33/12,394.91
  6. Step 6: Final answer
    x = 13,070.42

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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.