Home / 10,886.11-15,024.09-6,171.25

Finding the Fourth Proportional to 10,886.11, 15,024.09 and 6,171.25

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Solution

The fourth proportional to 10,886.11, 15,024.09 and 6,171.25 is: 8,517.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,886.11 : 15,024.09 = 6,171.25 : x
  2. Step 2: Convert to fraction form
    10,886.11/15,024.09 = 6,171.25/x
  3. Step 3: Cross multiply
    10,886.11x = 15,024.09 × 6,171.25
  4. Step 4: Simplify right side
    10,886.11x = 92,717,415.41
  5. Step 5: Solve for x
    x = 92,717,415.41/10,886.11
  6. Step 6: Final answer
    x = 8,517.04

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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.