Home / 10,391.64-14,340.04-5,675.95

Finding the Fourth Proportional to 10,391.64, 14,340.04 and 5,675.95

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Solution

The fourth proportional to 10,391.64, 14,340.04 and 5,675.95 is: 7,832.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,391.64 : 14,340.04 = 5,675.95 : x
  2. Step 2: Convert to fraction form
    10,391.64/14,340.04 = 5,675.95/x
  3. Step 3: Cross multiply
    10,391.64x = 14,340.04 × 5,675.95
  4. Step 4: Simplify right side
    10,391.64x = 81,393,350.04
  5. Step 5: Solve for x
    x = 81,393,350.04/10,391.64
  6. Step 6: Final answer
    x = 7,832.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.