Home / 18,672.28-25,766.58-10,288.84

Finding the Fourth Proportional to 18,672.28, 25,766.58 and 10,288.84

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Solution

The fourth proportional to 18,672.28, 25,766.58 and 10,288.84 is: 14,197.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,672.28 : 25,766.58 = 10,288.84 : x
  2. Step 2: Convert to fraction form
    18,672.28/25,766.58 = 10,288.84/x
  3. Step 3: Cross multiply
    18,672.28x = 25,766.58 × 10,288.84
  4. Step 4: Simplify right side
    18,672.28x = 265,108,218.97
  5. Step 5: Solve for x
    x = 265,108,218.97/18,672.28
  6. Step 6: Final answer
    x = 14,197.96

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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.