Home / 10,638.39-15,957.62-3,242.82

Finding the Fourth Proportional to 10,638.39, 15,957.62 and 3,242.82

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Solution

The fourth proportional to 10,638.39, 15,957.62 and 3,242.82 is: 4,864.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638.39 : 15,957.62 = 3,242.82 : x
  2. Step 2: Convert to fraction form
    10,638.39/15,957.62 = 3,242.82/x
  3. Step 3: Cross multiply
    10,638.39x = 15,957.62 × 3,242.82
  4. Step 4: Simplify right side
    10,638.39x = 51,747,689.29
  5. Step 5: Solve for x
    x = 51,747,689.29/10,638.39
  6. Step 6: Final answer
    x = 4,864.24

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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.