Home / 15,512.61-21,414.66-9,926.85

Finding the Fourth Proportional to 15,512.61, 21,414.66 and 9,926.85

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Solution

The fourth proportional to 15,512.61, 21,414.66 and 9,926.85 is: 13,703.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,512.61 : 21,414.66 = 9,926.85 : x
  2. Step 2: Convert to fraction form
    15,512.61/21,414.66 = 9,926.85/x
  3. Step 3: Cross multiply
    15,512.61x = 21,414.66 × 9,926.85
  4. Step 4: Simplify right side
    15,512.61x = 212,580,117.62
  5. Step 5: Solve for x
    x = 212,580,117.62/15,512.61
  6. Step 6: Final answer
    x = 13,703.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.