Home / 20,260.90-30,382.23-8,568.10

Finding the Fourth Proportional to 20,260.90, 30,382.23 and 8,568.10

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Solution

The fourth proportional to 20,260.90, 30,382.23 and 8,568.10 is: 12,848.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,260.90 : 30,382.23 = 8,568.10 : x
  2. Step 2: Convert to fraction form
    20,260.90/30,382.23 = 8,568.10/x
  3. Step 3: Cross multiply
    20,260.90x = 30,382.23 × 8,568.10
  4. Step 4: Simplify right side
    20,260.90x = 260,317,984.86
  5. Step 5: Solve for x
    x = 260,317,984.86/20,260.90
  6. Step 6: Final answer
    x = 12,848.29

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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.