Home / 20,255.82-30,391.02-7,110.24

Finding the Fourth Proportional to 20,255.82, 30,391.02 and 7,110.24

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Solution

The fourth proportional to 20,255.82, 30,391.02 and 7,110.24 is: 10,667.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,255.82 : 30,391.02 = 7,110.24 : x
  2. Step 2: Convert to fraction form
    20,255.82/30,391.02 = 7,110.24/x
  3. Step 3: Cross multiply
    20,255.82x = 30,391.02 × 7,110.24
  4. Step 4: Simplify right side
    20,255.82x = 216,087,446.04
  5. Step 5: Solve for x
    x = 216,087,446.04/20,255.82
  6. Step 6: Final answer
    x = 10,667.92

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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.