Home / 10,127.61-15,190.88-2,732.31

Finding the Fourth Proportional to 10,127.61, 15,190.88 and 2,732.31

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Solution

The fourth proportional to 10,127.61, 15,190.88 and 2,732.31 is: 4,098.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.61 : 15,190.88 = 2,732.31 : x
  2. Step 2: Convert to fraction form
    10,127.61/15,190.88 = 2,732.31/x
  3. Step 3: Cross multiply
    10,127.61x = 15,190.88 × 2,732.31
  4. Step 4: Simplify right side
    10,127.61x = 41,506,179.67
  5. Step 5: Solve for x
    x = 41,506,179.67/10,127.61
  6. Step 6: Final answer
    x = 4,098.32

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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.