Home / 12,693.38-19,042.11-4,371.35

Finding the Fourth Proportional to 12,693.38, 19,042.11 and 4,371.35

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Solution

The fourth proportional to 12,693.38, 19,042.11 and 4,371.35 is: 6,557.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,693.38 : 19,042.11 = 4,371.35 : x
  2. Step 2: Convert to fraction form
    12,693.38/19,042.11 = 4,371.35/x
  3. Step 3: Cross multiply
    12,693.38x = 19,042.11 × 4,371.35
  4. Step 4: Simplify right side
    12,693.38x = 83,239,727.55
  5. Step 5: Solve for x
    x = 83,239,727.55/12,693.38
  6. Step 6: Final answer
    x = 6,557.73

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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.