Home / 18,219.54-27,330.29-5,740.53

Finding the Fourth Proportional to 18,219.54, 27,330.29 and 5,740.53

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Solution

The fourth proportional to 18,219.54, 27,330.29 and 5,740.53 is: 8,611.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,219.54 : 27,330.29 = 5,740.53 : x
  2. Step 2: Convert to fraction form
    18,219.54/27,330.29 = 5,740.53/x
  3. Step 3: Cross multiply
    18,219.54x = 27,330.29 × 5,740.53
  4. Step 4: Simplify right side
    18,219.54x = 156,890,320.95
  5. Step 5: Solve for x
    x = 156,890,320.95/18,219.54
  6. Step 6: Final answer
    x = 8,611.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.