Home / 12,332.60-18,488.10-7,404.20

Finding the Fourth Proportional to 12,332.60, 18,488.10 and 7,404.20

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Solution

The fourth proportional to 12,332.60, 18,488.10 and 7,404.20 is: 11,099.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,332.60 : 18,488.10 = 7,404.20 : x
  2. Step 2: Convert to fraction form
    12,332.60/18,488.10 = 7,404.20/x
  3. Step 3: Cross multiply
    12,332.60x = 18,488.10 × 7,404.20
  4. Step 4: Simplify right side
    12,332.60x = 136,889,590.02
  5. Step 5: Solve for x
    x = 136,889,590.02/12,332.60
  6. Step 6: Final answer
    x = 11,099.82

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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.