Home / 10,127.49-15,192.86-4,580.61

Finding the Fourth Proportional to 10,127.49, 15,192.86 and 4,580.61

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Solution

The fourth proportional to 10,127.49, 15,192.86 and 4,580.61 is: 6,871.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.49 : 15,192.86 = 4,580.61 : x
  2. Step 2: Convert to fraction form
    10,127.49/15,192.86 = 4,580.61/x
  3. Step 3: Cross multiply
    10,127.49x = 15,192.86 × 4,580.61
  4. Step 4: Simplify right side
    10,127.49x = 69,592,566.44
  5. Step 5: Solve for x
    x = 69,592,566.44/10,127.49
  6. Step 6: Final answer
    x = 6,871.65

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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.