Home / 10,440.14-15,661.12-2,648.95

Finding the Fourth Proportional to 10,440.14, 15,661.12 and 2,648.95

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Solution

The fourth proportional to 10,440.14, 15,661.12 and 2,648.95 is: 3,973.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.14 : 15,661.12 = 2,648.95 : x
  2. Step 2: Convert to fraction form
    10,440.14/15,661.12 = 2,648.95/x
  3. Step 3: Cross multiply
    10,440.14x = 15,661.12 × 2,648.95
  4. Step 4: Simplify right side
    10,440.14x = 41,485,578.56
  5. Step 5: Solve for x
    x = 41,485,578.56/10,440.14
  6. Step 6: Final answer
    x = 3,973.66

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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.