Home / 23,131.64-34,708.20-7,339.16

Finding the Fourth Proportional to 23,131.64, 34,708.20 and 7,339.16

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Solution

The fourth proportional to 23,131.64, 34,708.20 and 7,339.16 is: 11,012.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,131.64 : 34,708.20 = 7,339.16 : x
  2. Step 2: Convert to fraction form
    23,131.64/34,708.20 = 7,339.16/x
  3. Step 3: Cross multiply
    23,131.64x = 34,708.20 × 7,339.16
  4. Step 4: Simplify right side
    23,131.64x = 254,729,033.11
  5. Step 5: Solve for x
    x = 254,729,033.11/23,131.64
  6. Step 6: Final answer
    x = 11,012.15

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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.