Home / 10,442.40-15,663.36-3,046.56

Finding the Fourth Proportional to 10,442.40, 15,663.36 and 3,046.56

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Solution

The fourth proportional to 10,442.40, 15,663.36 and 3,046.56 is: 4,569.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,442.40 : 15,663.36 = 3,046.56 : x
  2. Step 2: Convert to fraction form
    10,442.40/15,663.36 = 3,046.56/x
  3. Step 3: Cross multiply
    10,442.40x = 15,663.36 × 3,046.56
  4. Step 4: Simplify right side
    10,442.40x = 47,719,366.04
  5. Step 5: Solve for x
    x = 47,719,366.04/10,442.40
  6. Step 6: Final answer
    x = 4,569.77

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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.