Home / 16,820.20-25,234.14-5,727.08

Finding the Fourth Proportional to 16,820.20, 25,234.14 and 5,727.08

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Solution

The fourth proportional to 16,820.20, 25,234.14 and 5,727.08 is: 8,591.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,820.20 : 25,234.14 = 5,727.08 : x
  2. Step 2: Convert to fraction form
    16,820.20/25,234.14 = 5,727.08/x
  3. Step 3: Cross multiply
    16,820.20x = 25,234.14 × 5,727.08
  4. Step 4: Simplify right side
    16,820.20x = 144,517,938.51
  5. Step 5: Solve for x
    x = 144,517,938.51/16,820.20
  6. Step 6: Final answer
    x = 8,591.93

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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.