Home / 14,459.28-21,669.48-5,691.84

Finding the Fourth Proportional to 14,459.28, 21,669.48 and 5,691.84

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Solution

The fourth proportional to 14,459.28, 21,669.48 and 5,691.84 is: 8,530.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,459.28 : 21,669.48 = 5,691.84 : x
  2. Step 2: Convert to fraction form
    14,459.28/21,669.48 = 5,691.84/x
  3. Step 3: Cross multiply
    14,459.28x = 21,669.48 × 5,691.84
  4. Step 4: Simplify right side
    14,459.28x = 123,339,213.04
  5. Step 5: Solve for x
    x = 123,339,213.04/14,459.28
  6. Step 6: Final answer
    x = 8,530.11

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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.