Home / 14,781.10-22,171.85-4,920.38

Finding the Fourth Proportional to 14,781.10, 22,171.85 and 4,920.38

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Solution

The fourth proportional to 14,781.10, 22,171.85 and 4,920.38 is: 7,380.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,781.10 : 22,171.85 = 4,920.38 : x
  2. Step 2: Convert to fraction form
    14,781.10/22,171.85 = 4,920.38/x
  3. Step 3: Cross multiply
    14,781.10x = 22,171.85 × 4,920.38
  4. Step 4: Simplify right side
    14,781.10x = 109,093,927.30
  5. Step 5: Solve for x
    x = 109,093,927.30/14,781.10
  6. Step 6: Final answer
    x = 7,380.64

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1.5x scale

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.