Home / 10,311.28-15,456.28-4,062.84

Finding the Fourth Proportional to 10,311.28, 15,456.28 and 4,062.84

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Solution

The fourth proportional to 10,311.28, 15,456.28 and 4,062.84 is: 6,090.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,311.28 : 15,456.28 = 4,062.84 : x
  2. Step 2: Convert to fraction form
    10,311.28/15,456.28 = 4,062.84/x
  3. Step 3: Cross multiply
    10,311.28x = 15,456.28 × 4,062.84
  4. Step 4: Simplify right side
    10,311.28x = 62,796,392.64
  5. Step 5: Solve for x
    x = 62,796,392.64/10,311.28
  6. Step 6: Final answer
    x = 6,090.07

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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.