Home / 12,437.28-18,636.48-7,175.52

Finding the Fourth Proportional to 12,437.28, 18,636.48 and 7,175.52

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Solution

The fourth proportional to 12,437.28, 18,636.48 and 7,175.52 is: 10,752.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,437.28 : 18,636.48 = 7,175.52 : x
  2. Step 2: Convert to fraction form
    12,437.28/18,636.48 = 7,175.52/x
  3. Step 3: Cross multiply
    12,437.28x = 18,636.48 × 7,175.52
  4. Step 4: Simplify right side
    12,437.28x = 133,726,434.97
  5. Step 5: Solve for x
    x = 133,726,434.97/12,437.28
  6. Step 6: Final answer
    x = 10,752.06

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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.