Home / 18,650.20-25,737.28-10,266.70

Finding the Fourth Proportional to 18,650.20, 25,737.28 and 10,266.70

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Solution

The fourth proportional to 18,650.20, 25,737.28 and 10,266.70 is: 14,168.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650.20 : 25,737.28 = 10,266.70 : x
  2. Step 2: Convert to fraction form
    18,650.20/25,737.28 = 10,266.70/x
  3. Step 3: Cross multiply
    18,650.20x = 25,737.28 × 10,266.70
  4. Step 4: Simplify right side
    18,650.20x = 264,236,932.58
  5. Step 5: Solve for x
    x = 264,236,932.58/18,650.20
  6. Step 6: Final answer
    x = 14,168.05

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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.