Home / 10,534.24-15,804.16-3,138.72

Finding the Fourth Proportional to 10,534.24, 15,804.16 and 3,138.72

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Solution

The fourth proportional to 10,534.24, 15,804.16 and 3,138.72 is: 4,708.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,534.24 : 15,804.16 = 3,138.72 : x
  2. Step 2: Convert to fraction form
    10,534.24/15,804.16 = 3,138.72/x
  3. Step 3: Cross multiply
    10,534.24x = 15,804.16 × 3,138.72
  4. Step 4: Simplify right side
    10,534.24x = 49,604,833.08
  5. Step 5: Solve for x
    x = 49,604,833.08/10,534.24
  6. Step 6: Final answer
    x = 4,708.91

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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.