Home / 18,219.17-27,329.72-5,740.16

Finding the Fourth Proportional to 18,219.17, 27,329.72 and 5,740.16

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Solution

The fourth proportional to 18,219.17, 27,329.72 and 5,740.16 is: 8,610.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,219.17 : 27,329.72 = 5,740.16 : x
  2. Step 2: Convert to fraction form
    18,219.17/27,329.72 = 5,740.16/x
  3. Step 3: Cross multiply
    18,219.17x = 27,329.72 × 5,740.16
  4. Step 4: Simplify right side
    18,219.17x = 156,876,800.21
  5. Step 5: Solve for x
    x = 156,876,800.21/18,219.17
  6. Step 6: Final answer
    x = 8,610.54

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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.