Home / 16,872.95-23,286.08-9,319.97

Finding the Fourth Proportional to 16,872.95, 23,286.08 and 9,319.97

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Solution

The fourth proportional to 16,872.95, 23,286.08 and 9,319.97 is: 12,862.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,872.95 : 23,286.08 = 9,319.97 : x
  2. Step 2: Convert to fraction form
    16,872.95/23,286.08 = 9,319.97/x
  3. Step 3: Cross multiply
    16,872.95x = 23,286.08 × 9,319.97
  4. Step 4: Simplify right side
    16,872.95x = 217,025,567.02
  5. Step 5: Solve for x
    x = 217,025,567.02/16,872.95
  6. Step 6: Final answer
    x = 12,862.34

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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.