Home / 18,674.28-25,772.85-10,719

Finding the Fourth Proportional to 18,674.28, 25,772.85 and 10,719

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Solution

The fourth proportional to 18,674.28, 25,772.85 and 10,719 is: 14,793.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,674.28 : 25,772.85 = 10,719 : x
  2. Step 2: Convert to fraction form
    18,674.28/25,772.85 = 10,719/x
  3. Step 3: Cross multiply
    18,674.28x = 25,772.85 × 10,719
  4. Step 4: Simplify right side
    18,674.28x = 276,259,179.15
  5. Step 5: Solve for x
    x = 276,259,179.15/18,674.28
  6. Step 6: Final answer
    x = 14,793.57

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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.