Home / 10,546.80-15,822.96-3,151.28

Finding the Fourth Proportional to 10,546.80, 15,822.96 and 3,151.28

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Solution

The fourth proportional to 10,546.80, 15,822.96 and 3,151.28 is: 4,727.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,546.80 : 15,822.96 = 3,151.28 : x
  2. Step 2: Convert to fraction form
    10,546.80/15,822.96 = 3,151.28/x
  3. Step 3: Cross multiply
    10,546.80x = 15,822.96 × 3,151.28
  4. Step 4: Simplify right side
    10,546.80x = 49,862,577.39
  5. Step 5: Solve for x
    x = 49,862,577.39/10,546.80
  6. Step 6: Final answer
    x = 4,727.74

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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.