Home / 18,363.75-27,545.55-5,216.13

Finding the Fourth Proportional to 18,363.75, 27,545.55 and 5,216.13

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Solution

The fourth proportional to 18,363.75, 27,545.55 and 5,216.13 is: 7,824.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,363.75 : 27,545.55 = 5,216.13 : x
  2. Step 2: Convert to fraction form
    18,363.75/27,545.55 = 5,216.13/x
  3. Step 3: Cross multiply
    18,363.75x = 27,545.55 × 5,216.13
  4. Step 4: Simplify right side
    18,363.75x = 143,681,169.72
  5. Step 5: Solve for x
    x = 143,681,169.72/18,363.75
  6. Step 6: Final answer
    x = 7,824.17

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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.