Home / 12,927.38-19,387.53-3,565.19

Finding the Fourth Proportional to 12,927.38, 19,387.53 and 3,565.19

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Solution

The fourth proportional to 12,927.38, 19,387.53 and 3,565.19 is: 5,346.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927.38 : 19,387.53 = 3,565.19 : x
  2. Step 2: Convert to fraction form
    12,927.38/19,387.53 = 3,565.19/x
  3. Step 3: Cross multiply
    12,927.38x = 19,387.53 × 3,565.19
  4. Step 4: Simplify right side
    12,927.38x = 69,120,228.08
  5. Step 5: Solve for x
    x = 69,120,228.08/12,927.38
  6. Step 6: Final answer
    x = 5,346.81

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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.