Home / 10,512.47-15,767.18-3,395.76

Finding the Fourth Proportional to 10,512.47, 15,767.18 and 3,395.76

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Solution

The fourth proportional to 10,512.47, 15,767.18 and 3,395.76 is: 5,093.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.47 : 15,767.18 = 3,395.76 : x
  2. Step 2: Convert to fraction form
    10,512.47/15,767.18 = 3,395.76/x
  3. Step 3: Cross multiply
    10,512.47x = 15,767.18 × 3,395.76
  4. Step 4: Simplify right side
    10,512.47x = 53,541,559.16
  5. Step 5: Solve for x
    x = 53,541,559.16/10,512.47
  6. Step 6: Final answer
    x = 5,093.15

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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.