Home / 12,279.36-16,936.92-7,566.24

Finding the Fourth Proportional to 12,279.36, 16,936.92 and 7,566.24

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Solution

The fourth proportional to 12,279.36, 16,936.92 and 7,566.24 is: 10,436.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,279.36 : 16,936.92 = 7,566.24 : x
  2. Step 2: Convert to fraction form
    12,279.36/16,936.92 = 7,566.24/x
  3. Step 3: Cross multiply
    12,279.36x = 16,936.92 × 7,566.24
  4. Step 4: Simplify right side
    12,279.36x = 128,148,801.58
  5. Step 5: Solve for x
    x = 128,148,801.58/12,279.36
  6. Step 6: Final answer
    x = 10,436.11

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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.