Home / 18,545.34-27,825.12-11,155.04

Finding the Fourth Proportional to 18,545.34, 27,825.12 and 11,155.04

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Solution

The fourth proportional to 18,545.34, 27,825.12 and 11,155.04 is: 16,736.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,545.34 : 27,825.12 = 11,155.04 : x
  2. Step 2: Convert to fraction form
    18,545.34/27,825.12 = 11,155.04/x
  3. Step 3: Cross multiply
    18,545.34x = 27,825.12 × 11,155.04
  4. Step 4: Simplify right side
    18,545.34x = 310,390,187.48
  5. Step 5: Solve for x
    x = 310,390,187.48/18,545.34
  6. Step 6: Final answer
    x = 16,736.83

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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.