Home / 8,168.13-12,252.18-5,707.76

Finding the Fourth Proportional to 8,168.13, 12,252.18 and 5,707.76

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Solution

The fourth proportional to 8,168.13, 12,252.18 and 5,707.76 is: 8,561.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.13 : 12,252.18 = 5,707.76 : x
  2. Step 2: Convert to fraction form
    8,168.13/12,252.18 = 5,707.76/x
  3. Step 3: Cross multiply
    8,168.13x = 12,252.18 × 5,707.76
  4. Step 4: Simplify right side
    8,168.13x = 69,932,441.66
  5. Step 5: Solve for x
    x = 69,932,441.66/8,168.13
  6. Step 6: Final answer
    x = 8,561.62

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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.