Home / 11,117.57-16,679.24-4,192.13

Finding the Fourth Proportional to 11,117.57, 16,679.24 and 4,192.13

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Solution

The fourth proportional to 11,117.57, 16,679.24 and 4,192.13 is: 6,289.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.57 : 16,679.24 = 4,192.13 : x
  2. Step 2: Convert to fraction form
    11,117.57/16,679.24 = 4,192.13/x
  3. Step 3: Cross multiply
    11,117.57x = 16,679.24 × 4,192.13
  4. Step 4: Simplify right side
    11,117.57x = 69,921,521.42
  5. Step 5: Solve for x
    x = 69,921,521.42/11,117.57
  6. Step 6: Final answer
    x = 6,289.28

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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.