Home / 14,387.86-21,567.95-7,371.19

Finding the Fourth Proportional to 14,387.86, 21,567.95 and 7,371.19

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Solution

The fourth proportional to 14,387.86, 21,567.95 and 7,371.19 is: 11,049.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,387.86 : 21,567.95 = 7,371.19 : x
  2. Step 2: Convert to fraction form
    14,387.86/21,567.95 = 7,371.19/x
  3. Step 3: Cross multiply
    14,387.86x = 21,567.95 × 7,371.19
  4. Step 4: Simplify right side
    14,387.86x = 158,981,475.11
  5. Step 5: Solve for x
    x = 158,981,475.11/14,387.86
  6. Step 6: Final answer
    x = 11,049.69

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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.