Home / 18,724.40-25,833.84-10,763.76

Finding the Fourth Proportional to 18,724.40, 25,833.84 and 10,763.76

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Solution

The fourth proportional to 18,724.40, 25,833.84 and 10,763.76 is: 14,850.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724.40 : 25,833.84 = 10,763.76 : x
  2. Step 2: Convert to fraction form
    18,724.40/25,833.84 = 10,763.76/x
  3. Step 3: Cross multiply
    18,724.40x = 25,833.84 × 10,763.76
  4. Step 4: Simplify right side
    18,724.40x = 278,069,253.64
  5. Step 5: Solve for x
    x = 278,069,253.64/18,724.40
  6. Step 6: Final answer
    x = 14,850.64

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Similar ratio
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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.