Home / 16,885.97-23,303.10-9,332.78

Finding the Fourth Proportional to 16,885.97, 23,303.10 and 9,332.78

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Solution

The fourth proportional to 16,885.97, 23,303.10 and 9,332.78 is: 12,879.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,885.97 : 23,303.10 = 9,332.78 : x
  2. Step 2: Convert to fraction form
    16,885.97/23,303.10 = 9,332.78/x
  3. Step 3: Cross multiply
    16,885.97x = 23,303.10 × 9,332.78
  4. Step 4: Simplify right side
    16,885.97x = 217,482,658.95
  5. Step 5: Solve for x
    x = 217,482,658.95/16,885.97
  6. Step 6: Final answer
    x = 12,879.49

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Double scale
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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.