Home / 15,942.93-22,001.17-8,869.34

Finding the Fourth Proportional to 15,942.93, 22,001.17 and 8,869.34

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Solution

The fourth proportional to 15,942.93, 22,001.17 and 8,869.34 is: 12,239.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,942.93 : 22,001.17 = 8,869.34 : x
  2. Step 2: Convert to fraction form
    15,942.93/22,001.17 = 8,869.34/x
  3. Step 3: Cross multiply
    15,942.93x = 22,001.17 × 8,869.34
  4. Step 4: Simplify right side
    15,942.93x = 195,135,857.13
  5. Step 5: Solve for x
    x = 195,135,857.13/15,942.93
  6. Step 6: Final answer
    x = 12,239.65

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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.