Home / 11,531.09-15,913.86-6,496.29

Finding the Fourth Proportional to 11,531.09, 15,913.86 and 6,496.29

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Solution

The fourth proportional to 11,531.09, 15,913.86 and 6,496.29 is: 8,965.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531.09 : 15,913.86 = 6,496.29 : x
  2. Step 2: Convert to fraction form
    11,531.09/15,913.86 = 6,496.29/x
  3. Step 3: Cross multiply
    11,531.09x = 15,913.86 × 6,496.29
  4. Step 4: Simplify right side
    11,531.09x = 103,381,049.58
  5. Step 5: Solve for x
    x = 103,381,049.58/11,531.09
  6. Step 6: Final answer
    x = 8,965.42

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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.