Home / 10,482.54-15,723.81-2,691.36

Finding the Fourth Proportional to 10,482.54, 15,723.81 and 2,691.36

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Solution

The fourth proportional to 10,482.54, 15,723.81 and 2,691.36 is: 4,037.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,482.54 : 15,723.81 = 2,691.36 : x
  2. Step 2: Convert to fraction form
    10,482.54/15,723.81 = 2,691.36/x
  3. Step 3: Cross multiply
    10,482.54x = 15,723.81 × 2,691.36
  4. Step 4: Simplify right side
    10,482.54x = 42,318,433.28
  5. Step 5: Solve for x
    x = 42,318,433.28/10,482.54
  6. Step 6: Final answer
    x = 4,037.04

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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.