Home / 20,149.14-30,182.55-9,587.20

Finding the Fourth Proportional to 20,149.14, 30,182.55 and 9,587.20

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Solution

The fourth proportional to 20,149.14, 30,182.55 and 9,587.20 is: 14,361.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,149.14 : 30,182.55 = 9,587.20 : x
  2. Step 2: Convert to fraction form
    20,149.14/30,182.55 = 9,587.20/x
  3. Step 3: Cross multiply
    20,149.14x = 30,182.55 × 9,587.20
  4. Step 4: Simplify right side
    20,149.14x = 289,366,143.36
  5. Step 5: Solve for x
    x = 289,366,143.36/20,149.14
  6. Step 6: Final answer
    x = 14,361.22

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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.