Home / 14,757.59-20,364.71-8,042.78

Finding the Fourth Proportional to 14,757.59, 20,364.71 and 8,042.78

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Solution

The fourth proportional to 14,757.59, 20,364.71 and 8,042.78 is: 11,098.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,757.59 : 20,364.71 = 8,042.78 : x
  2. Step 2: Convert to fraction form
    14,757.59/20,364.71 = 8,042.78/x
  3. Step 3: Cross multiply
    14,757.59x = 20,364.71 × 8,042.78
  4. Step 4: Simplify right side
    14,757.59x = 163,788,740.26
  5. Step 5: Solve for x
    x = 163,788,740.26/14,757.59
  6. Step 6: Final answer
    x = 11,098.61

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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.