Home / 14,169.76-21,253.52-4,309.02

Finding the Fourth Proportional to 14,169.76, 21,253.52 and 4,309.02

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Solution

The fourth proportional to 14,169.76, 21,253.52 and 4,309.02 is: 6,463.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,169.76 : 21,253.52 = 4,309.02 : x
  2. Step 2: Convert to fraction form
    14,169.76/21,253.52 = 4,309.02/x
  3. Step 3: Cross multiply
    14,169.76x = 21,253.52 × 4,309.02
  4. Step 4: Simplify right side
    14,169.76x = 91,581,853.52
  5. Step 5: Solve for x
    x = 91,581,853.52/14,169.76
  6. Step 6: Final answer
    x = 6,463.19

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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.