Home / 10,229.88-14,116.68-5,754.36

Finding the Fourth Proportional to 10,229.88, 14,116.68 and 5,754.36

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Solution

The fourth proportional to 10,229.88, 14,116.68 and 5,754.36 is: 7,940.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,229.88 : 14,116.68 = 5,754.36 : x
  2. Step 2: Convert to fraction form
    10,229.88/14,116.68 = 5,754.36/x
  3. Step 3: Cross multiply
    10,229.88x = 14,116.68 × 5,754.36
  4. Step 4: Simplify right side
    10,229.88x = 81,232,458.72
  5. Step 5: Solve for x
    x = 81,232,458.72/10,229.88
  6. Step 6: Final answer
    x = 7,940.70

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1.5x scale

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.