Home / 10,325.68-15,490.72-2,932.40

Finding the Fourth Proportional to 10,325.68, 15,490.72 and 2,932.40

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Solution

The fourth proportional to 10,325.68, 15,490.72 and 2,932.40 is: 4,399.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,325.68 : 15,490.72 = 2,932.40 : x
  2. Step 2: Convert to fraction form
    10,325.68/15,490.72 = 2,932.40/x
  3. Step 3: Cross multiply
    10,325.68x = 15,490.72 × 2,932.40
  4. Step 4: Simplify right side
    10,325.68x = 45,424,987.33
  5. Step 5: Solve for x
    x = 45,424,987.33/10,325.68
  6. Step 6: Final answer
    x = 4,399.22

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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.