Home / 10,523.25-15,784.54-3,127.82

Finding the Fourth Proportional to 10,523.25, 15,784.54 and 3,127.82

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Solution

The fourth proportional to 10,523.25, 15,784.54 and 3,127.82 is: 4,691.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,523.25 : 15,784.54 = 3,127.82 : x
  2. Step 2: Convert to fraction form
    10,523.25/15,784.54 = 3,127.82/x
  3. Step 3: Cross multiply
    10,523.25x = 15,784.54 × 3,127.82
  4. Step 4: Simplify right side
    10,523.25x = 49,371,113.16
  5. Step 5: Solve for x
    x = 49,371,113.16/10,523.25
  6. Step 6: Final answer
    x = 4,691.62

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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.