Home / 12,488.64-18,733.68-4,697.52

Finding the Fourth Proportional to 12,488.64, 18,733.68 and 4,697.52

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Solution

The fourth proportional to 12,488.64, 18,733.68 and 4,697.52 is: 7,046.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,488.64 : 18,733.68 = 4,697.52 : x
  2. Step 2: Convert to fraction form
    12,488.64/18,733.68 = 4,697.52/x
  3. Step 3: Cross multiply
    12,488.64x = 18,733.68 × 4,697.52
  4. Step 4: Simplify right side
    12,488.64x = 88,001,836.47
  5. Step 5: Solve for x
    x = 88,001,836.47/12,488.64
  6. Step 6: Final answer
    x = 7,046.55

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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.