Home / 12,832.40-17,693.16-8,847.20

Finding the Fourth Proportional to 12,832.40, 17,693.16 and 8,847.20

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Solution

The fourth proportional to 12,832.40, 17,693.16 and 8,847.20 is: 12,198.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,832.40 : 17,693.16 = 8,847.20 : x
  2. Step 2: Convert to fraction form
    12,832.40/17,693.16 = 8,847.20/x
  3. Step 3: Cross multiply
    12,832.40x = 17,693.16 × 8,847.20
  4. Step 4: Simplify right side
    12,832.40x = 156,534,925.15
  5. Step 5: Solve for x
    x = 156,534,925.15/12,832.40
  6. Step 6: Final answer
    x = 12,198.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.