Home / 10,886.82-15,043.58-8,758.14

Finding the Fourth Proportional to 10,886.82, 15,043.58 and 8,758.14

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Solution

The fourth proportional to 10,886.82, 15,043.58 and 8,758.14 is: 12,102.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,886.82 : 15,043.58 = 8,758.14 : x
  2. Step 2: Convert to fraction form
    10,886.82/15,043.58 = 8,758.14/x
  3. Step 3: Cross multiply
    10,886.82x = 15,043.58 × 8,758.14
  4. Step 4: Simplify right side
    10,886.82x = 131,753,735.95
  5. Step 5: Solve for x
    x = 131,753,735.95/10,886.82
  6. Step 6: Final answer
    x = 12,102.13

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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.