Home / 18,535.68-27,800.69-5,385.33

Finding the Fourth Proportional to 18,535.68, 27,800.69 and 5,385.33

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Solution

The fourth proportional to 18,535.68, 27,800.69 and 5,385.33 is: 8,077.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,535.68 : 27,800.69 = 5,385.33 : x
  2. Step 2: Convert to fraction form
    18,535.68/27,800.69 = 5,385.33/x
  3. Step 3: Cross multiply
    18,535.68x = 27,800.69 × 5,385.33
  4. Step 4: Simplify right side
    18,535.68x = 149,715,862.95
  5. Step 5: Solve for x
    x = 149,715,862.95/18,535.68
  6. Step 6: Final answer
    x = 8,077.17

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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.