Home / 14,115.77-21,177.15-9,963.91

Finding the Fourth Proportional to 14,115.77, 21,177.15 and 9,963.91

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Solution

The fourth proportional to 14,115.77, 21,177.15 and 9,963.91 is: 14,948.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.77 : 21,177.15 = 9,963.91 : x
  2. Step 2: Convert to fraction form
    14,115.77/21,177.15 = 9,963.91/x
  3. Step 3: Cross multiply
    14,115.77x = 21,177.15 × 9,963.91
  4. Step 4: Simplify right side
    14,115.77x = 211,007,205.76
  5. Step 5: Solve for x
    x = 211,007,205.76/14,115.77
  6. Step 6: Final answer
    x = 14,948.33

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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.