Home / 20,182.67-30,274.07-9,787.13

Finding the Fourth Proportional to 20,182.67, 30,274.07 and 9,787.13

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Solution

The fourth proportional to 20,182.67, 30,274.07 and 9,787.13 is: 14,680.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.67 : 30,274.07 = 9,787.13 : x
  2. Step 2: Convert to fraction form
    20,182.67/30,274.07 = 9,787.13/x
  3. Step 3: Cross multiply
    20,182.67x = 30,274.07 × 9,787.13
  4. Step 4: Simplify right side
    20,182.67x = 296,296,258.72
  5. Step 5: Solve for x
    x = 296,296,258.72/20,182.67
  6. Step 6: Final answer
    x = 14,680.73

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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.