Home / 10,440.25-15,660.36-3,044.55

Finding the Fourth Proportional to 10,440.25, 15,660.36 and 3,044.55

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Solution

The fourth proportional to 10,440.25, 15,660.36 and 3,044.55 is: 4,566.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.25 : 15,660.36 = 3,044.55 : x
  2. Step 2: Convert to fraction form
    10,440.25/15,660.36 = 3,044.55/x
  3. Step 3: Cross multiply
    10,440.25x = 15,660.36 × 3,044.55
  4. Step 4: Simplify right side
    10,440.25x = 47,678,749.04
  5. Step 5: Solve for x
    x = 47,678,749.04/10,440.25
  6. Step 6: Final answer
    x = 4,566.82

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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.