Home / 10,231.28-14,117.84-5,754.88

Finding the Fourth Proportional to 10,231.28, 14,117.84 and 5,754.88

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Solution

The fourth proportional to 10,231.28, 14,117.84 and 5,754.88 is: 7,940.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,231.28 : 14,117.84 = 5,754.88 : x
  2. Step 2: Convert to fraction form
    10,231.28/14,117.84 = 5,754.88/x
  3. Step 3: Cross multiply
    10,231.28x = 14,117.84 × 5,754.88
  4. Step 4: Simplify right side
    10,231.28x = 81,246,475.06
  5. Step 5: Solve for x
    x = 81,246,475.06/10,231.28
  6. Step 6: Final answer
    x = 7,940.99

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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.