Home / 10,318.59-15,473.24-2,921.30

Finding the Fourth Proportional to 10,318.59, 15,473.24 and 2,921.30

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Solution

The fourth proportional to 10,318.59, 15,473.24 and 2,921.30 is: 4,380.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.59 : 15,473.24 = 2,921.30 : x
  2. Step 2: Convert to fraction form
    10,318.59/15,473.24 = 2,921.30/x
  3. Step 3: Cross multiply
    10,318.59x = 15,473.24 × 2,921.30
  4. Step 4: Simplify right side
    10,318.59x = 45,201,884.04
  5. Step 5: Solve for x
    x = 45,201,884.04/10,318.59
  6. Step 6: Final answer
    x = 4,380.63

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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.