Home / 12,397.18-18,590.67-6,154.90

Finding the Fourth Proportional to 12,397.18, 18,590.67 and 6,154.90

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Solution

The fourth proportional to 12,397.18, 18,590.67 and 6,154.90 is: 9,229.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,397.18 : 18,590.67 = 6,154.90 : x
  2. Step 2: Convert to fraction form
    12,397.18/18,590.67 = 6,154.90/x
  3. Step 3: Cross multiply
    12,397.18x = 18,590.67 × 6,154.90
  4. Step 4: Simplify right side
    12,397.18x = 114,423,714.78
  5. Step 5: Solve for x
    x = 114,423,714.78/12,397.18
  6. Step 6: Final answer
    x = 9,229.82

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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.