Home / 15,118.20-22,691.43-7,727.94

Finding the Fourth Proportional to 15,118.20, 22,691.43 and 7,727.94

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Solution

The fourth proportional to 15,118.20, 22,691.43 and 7,727.94 is: 11,599.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,118.20 : 22,691.43 = 7,727.94 : x
  2. Step 2: Convert to fraction form
    15,118.20/22,691.43 = 7,727.94/x
  3. Step 3: Cross multiply
    15,118.20x = 22,691.43 × 7,727.94
  4. Step 4: Simplify right side
    15,118.20x = 175,358,009.55
  5. Step 5: Solve for x
    x = 175,358,009.55/15,118.20
  6. Step 6: Final answer
    x = 11,599.13

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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.