Home / 11,127.16-16,679.76-6,199.12

Finding the Fourth Proportional to 11,127.16, 16,679.76 and 6,199.12

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Solution

The fourth proportional to 11,127.16, 16,679.76 and 6,199.12 is: 9,292.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.16 : 16,679.76 = 6,199.12 : x
  2. Step 2: Convert to fraction form
    11,127.16/16,679.76 = 6,199.12/x
  3. Step 3: Cross multiply
    11,127.16x = 16,679.76 × 6,199.12
  4. Step 4: Simplify right side
    11,127.16x = 103,399,833.81
  5. Step 5: Solve for x
    x = 103,399,833.81/11,127.16
  6. Step 6: Final answer
    x = 9,292.56

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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.