Home / 15,308.20-22,965.90-4,920.04

Finding the Fourth Proportional to 15,308.20, 22,965.90 and 4,920.04

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Solution

The fourth proportional to 15,308.20, 22,965.90 and 4,920.04 is: 7,381.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,308.20 : 22,965.90 = 4,920.04 : x
  2. Step 2: Convert to fraction form
    15,308.20/22,965.90 = 4,920.04/x
  3. Step 3: Cross multiply
    15,308.20x = 22,965.90 × 4,920.04
  4. Step 4: Simplify right side
    15,308.20x = 112,993,146.64
  5. Step 5: Solve for x
    x = 112,993,146.64/15,308.20
  6. Step 6: Final answer
    x = 7,381.22

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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.