Home / 18,617.28-25,692.30-10,233.78

Finding the Fourth Proportional to 18,617.28, 25,692.30 and 10,233.78

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Solution

The fourth proportional to 18,617.28, 25,692.30 and 10,233.78 is: 14,122.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,617.28 : 25,692.30 = 10,233.78 : x
  2. Step 2: Convert to fraction form
    18,617.28/25,692.30 = 10,233.78/x
  3. Step 3: Cross multiply
    18,617.28x = 25,692.30 × 10,233.78
  4. Step 4: Simplify right side
    18,617.28x = 262,929,345.89
  5. Step 5: Solve for x
    x = 262,929,345.89/18,617.28
  6. Step 6: Final answer
    x = 14,122.87

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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.