Home / 13,942.17-20,902.32-6,542.82

Finding the Fourth Proportional to 13,942.17, 20,902.32 and 6,542.82

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Solution

The fourth proportional to 13,942.17, 20,902.32 and 6,542.82 is: 9,809.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.17 : 20,902.32 = 6,542.82 : x
  2. Step 2: Convert to fraction form
    13,942.17/20,902.32 = 6,542.82/x
  3. Step 3: Cross multiply
    13,942.17x = 20,902.32 × 6,542.82
  4. Step 4: Simplify right side
    13,942.17x = 136,760,117.34
  5. Step 5: Solve for x
    x = 136,760,117.34/13,942.17
  6. Step 6: Final answer
    x = 9,809.10

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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.