Home / 18,545.18-27,822.32-5,397.67

Finding the Fourth Proportional to 18,545.18, 27,822.32 and 5,397.67

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Solution

The fourth proportional to 18,545.18, 27,822.32 and 5,397.67 is: 8,097.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,545.18 : 27,822.32 = 5,397.67 : x
  2. Step 2: Convert to fraction form
    18,545.18/27,822.32 = 5,397.67/x
  3. Step 3: Cross multiply
    18,545.18x = 27,822.32 × 5,397.67
  4. Step 4: Simplify right side
    18,545.18x = 150,175,701.99
  5. Step 5: Solve for x
    x = 150,175,701.99/18,545.18
  6. Step 6: Final answer
    x = 8,097.83

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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.