Home / 20,134.64-30,180.20-9,732.08

Finding the Fourth Proportional to 20,134.64, 30,180.20 and 9,732.08

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Solution

The fourth proportional to 20,134.64, 30,180.20 and 9,732.08 is: 14,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,134.64 : 30,180.20 = 9,732.08 : x
  2. Step 2: Convert to fraction form
    20,134.64/30,180.20 = 9,732.08/x
  3. Step 3: Cross multiply
    20,134.64x = 30,180.20 × 9,732.08
  4. Step 4: Simplify right side
    20,134.64x = 293,716,120.82
  5. Step 5: Solve for x
    x = 293,716,120.82/20,134.64
  6. Step 6: Final answer
    x = 14,587.60

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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.