Home / 12,177.49-18,307.92-11,264.42

Finding the Fourth Proportional to 12,177.49, 18,307.92 and 11,264.42

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Solution

The fourth proportional to 12,177.49, 18,307.92 and 11,264.42 is: 16,935.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177.49 : 18,307.92 = 11,264.42 : x
  2. Step 2: Convert to fraction form
    12,177.49/18,307.92 = 11,264.42/x
  3. Step 3: Cross multiply
    12,177.49x = 18,307.92 × 11,264.42
  4. Step 4: Simplify right side
    12,177.49x = 206,228,085.24
  5. Step 5: Solve for x
    x = 206,228,085.24/12,177.49
  6. Step 6: Final answer
    x = 16,935.19

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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.