Home / 10,084.32-15,127.80-4,543.92

Finding the Fourth Proportional to 10,084.32, 15,127.80 and 4,543.92

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Solution

The fourth proportional to 10,084.32, 15,127.80 and 4,543.92 is: 6,816.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,084.32 : 15,127.80 = 4,543.92 : x
  2. Step 2: Convert to fraction form
    10,084.32/15,127.80 = 4,543.92/x
  3. Step 3: Cross multiply
    10,084.32x = 15,127.80 × 4,543.92
  4. Step 4: Simplify right side
    10,084.32x = 68,739,512.98
  5. Step 5: Solve for x
    x = 68,739,512.98/10,084.32
  6. Step 6: Final answer
    x = 6,816.47

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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.