Home / 14,209.05-21,294.28-7,543.86

Finding the Fourth Proportional to 14,209.05, 21,294.28 and 7,543.86

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Solution

The fourth proportional to 14,209.05, 21,294.28 and 7,543.86 is: 11,305.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,209.05 : 21,294.28 = 7,543.86 : x
  2. Step 2: Convert to fraction form
    14,209.05/21,294.28 = 7,543.86/x
  3. Step 3: Cross multiply
    14,209.05x = 21,294.28 × 7,543.86
  4. Step 4: Simplify right side
    14,209.05x = 160,641,067.12
  5. Step 5: Solve for x
    x = 160,641,067.12/14,209.05
  6. Step 6: Final answer
    x = 11,305.55

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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.