Home / 15,727.14-23,572.82-8,219.12

Finding the Fourth Proportional to 15,727.14, 23,572.82 and 8,219.12

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Solution

The fourth proportional to 15,727.14, 23,572.82 and 8,219.12 is: 12,319.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,727.14 : 23,572.82 = 8,219.12 : x
  2. Step 2: Convert to fraction form
    15,727.14/23,572.82 = 8,219.12/x
  3. Step 3: Cross multiply
    15,727.14x = 23,572.82 × 8,219.12
  4. Step 4: Simplify right side
    15,727.14x = 193,747,836.32
  5. Step 5: Solve for x
    x = 193,747,836.32/15,727.14
  6. Step 6: Final answer
    x = 12,319.33

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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.