Home / 20,122.92-30,185.16-9,587.52

Finding the Fourth Proportional to 20,122.92, 30,185.16 and 9,587.52

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Solution

The fourth proportional to 20,122.92, 30,185.16 and 9,587.52 is: 14,381.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,122.92 : 30,185.16 = 9,587.52 : x
  2. Step 2: Convert to fraction form
    20,122.92/30,185.16 = 9,587.52/x
  3. Step 3: Cross multiply
    20,122.92x = 30,185.16 × 9,587.52
  4. Step 4: Simplify right side
    20,122.92x = 289,400,825.20
  5. Step 5: Solve for x
    x = 289,400,825.20/20,122.92
  6. Step 6: Final answer
    x = 14,381.65

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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.