Home / 12,542.10-18,814.17-6,298.90

Finding the Fourth Proportional to 12,542.10, 18,814.17 and 6,298.90

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Solution

The fourth proportional to 12,542.10, 18,814.17 and 6,298.90 is: 9,448.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,542.10 : 18,814.17 = 6,298.90 : x
  2. Step 2: Convert to fraction form
    12,542.10/18,814.17 = 6,298.90/x
  3. Step 3: Cross multiply
    12,542.10x = 18,814.17 × 6,298.90
  4. Step 4: Simplify right side
    12,542.10x = 118,508,575.46
  5. Step 5: Solve for x
    x = 118,508,575.46/12,542.10
  6. Step 6: Final answer
    x = 9,448.86

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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.