Home / 19,538.95-29,309.61-5,500.12

Finding the Fourth Proportional to 19,538.95, 29,309.61 and 5,500.12

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Solution

The fourth proportional to 19,538.95, 29,309.61 and 5,500.12 is: 8,250.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,538.95 : 29,309.61 = 5,500.12 : x
  2. Step 2: Convert to fraction form
    19,538.95/29,309.61 = 5,500.12/x
  3. Step 3: Cross multiply
    19,538.95x = 29,309.61 × 5,500.12
  4. Step 4: Simplify right side
    19,538.95x = 161,206,372.15
  5. Step 5: Solve for x
    x = 161,206,372.15/19,538.95
  6. Step 6: Final answer
    x = 8,250.51

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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.