Home / 15,908.16-21,951.61-9,195.93

Finding the Fourth Proportional to 15,908.16, 21,951.61 and 9,195.93

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Solution

The fourth proportional to 15,908.16, 21,951.61 and 9,195.93 is: 12,689.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,908.16 : 21,951.61 = 9,195.93 : x
  2. Step 2: Convert to fraction form
    15,908.16/21,951.61 = 9,195.93/x
  3. Step 3: Cross multiply
    15,908.16x = 21,951.61 × 9,195.93
  4. Step 4: Simplify right side
    15,908.16x = 201,865,445.96
  5. Step 5: Solve for x
    x = 201,865,445.96/15,908.16
  6. Step 6: Final answer
    x = 12,689.42

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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.