Home / 10,886.30-15,022.56-6,170.66

Finding the Fourth Proportional to 10,886.30, 15,022.56 and 6,170.66

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Solution

The fourth proportional to 10,886.30, 15,022.56 and 6,170.66 is: 8,515.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,886.30 : 15,022.56 = 6,170.66 : x
  2. Step 2: Convert to fraction form
    10,886.30/15,022.56 = 6,170.66/x
  3. Step 3: Cross multiply
    10,886.30x = 15,022.56 × 6,170.66
  4. Step 4: Simplify right side
    10,886.30x = 92,699,110.09
  5. Step 5: Solve for x
    x = 92,699,110.09/10,886.30
  6. Step 6: Final answer
    x = 8,515.21

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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.