Home / 19,127.97-28,691.96-12,552.62

Finding the Fourth Proportional to 19,127.97, 28,691.96 and 12,552.62

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Solution

The fourth proportional to 19,127.97, 28,691.96 and 12,552.62 is: 18,828.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,127.97 : 28,691.96 = 12,552.62 : x
  2. Step 2: Convert to fraction form
    19,127.97/28,691.96 = 12,552.62/x
  3. Step 3: Cross multiply
    19,127.97x = 28,691.96 × 12,552.62
  4. Step 4: Simplify right side
    19,127.97x = 360,159,064.71
  5. Step 5: Solve for x
    x = 360,159,064.71/19,127.97
  6. Step 6: Final answer
    x = 18,828.92

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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.