Home / 18,019.76-27,032.23-5,540.83

Finding the Fourth Proportional to 18,019.76, 27,032.23 and 5,540.83

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Solution

The fourth proportional to 18,019.76, 27,032.23 and 5,540.83 is: 8,312.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,019.76 : 27,032.23 = 5,540.83 : x
  2. Step 2: Convert to fraction form
    18,019.76/27,032.23 = 5,540.83/x
  3. Step 3: Cross multiply
    18,019.76x = 27,032.23 × 5,540.83
  4. Step 4: Simplify right side
    18,019.76x = 149,781,113.24
  5. Step 5: Solve for x
    x = 149,781,113.24/18,019.76
  6. Step 6: Final answer
    x = 8,312.05

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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.