Home / 20,176.97-30,265.36-5,184.08

Finding the Fourth Proportional to 20,176.97, 30,265.36 and 5,184.08

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Solution

The fourth proportional to 20,176.97, 30,265.36 and 5,184.08 is: 7,776.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176.97 : 30,265.36 = 5,184.08 : x
  2. Step 2: Convert to fraction form
    20,176.97/30,265.36 = 5,184.08/x
  3. Step 3: Cross multiply
    20,176.97x = 30,265.36 × 5,184.08
  4. Step 4: Simplify right side
    20,176.97x = 156,897,870.22
  5. Step 5: Solve for x
    x = 156,897,870.22/20,176.97
  6. Step 6: Final answer
    x = 7,776.09

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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.