Home / 18,552.12-27,830.88-5,402.76

Finding the Fourth Proportional to 18,552.12, 27,830.88 and 5,402.76

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Solution

The fourth proportional to 18,552.12, 27,830.88 and 5,402.76 is: 8,104.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,552.12 : 27,830.88 = 5,402.76 : x
  2. Step 2: Convert to fraction form
    18,552.12/27,830.88 = 5,402.76/x
  3. Step 3: Cross multiply
    18,552.12x = 27,830.88 × 5,402.76
  4. Step 4: Simplify right side
    18,552.12x = 150,363,565.23
  5. Step 5: Solve for x
    x = 150,363,565.23/18,552.12
  6. Step 6: Final answer
    x = 8,104.93

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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.