Home / 10,543.64-15,816.33-4,304.07

Finding the Fourth Proportional to 10,543.64, 15,816.33 and 4,304.07

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Solution

The fourth proportional to 10,543.64, 15,816.33 and 4,304.07 is: 6,456.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,543.64 : 15,816.33 = 4,304.07 : x
  2. Step 2: Convert to fraction form
    10,543.64/15,816.33 = 4,304.07/x
  3. Step 3: Cross multiply
    10,543.64x = 15,816.33 × 4,304.07
  4. Step 4: Simplify right side
    10,543.64x = 68,074,591.46
  5. Step 5: Solve for x
    x = 68,074,591.46/10,543.64
  6. Step 6: Final answer
    x = 6,456.46

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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.