Home / 11,761.32-16,230.69-6,456.18

Finding the Fourth Proportional to 11,761.32, 16,230.69 and 6,456.18

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Solution

The fourth proportional to 11,761.32, 16,230.69 and 6,456.18 is: 8,909.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,761.32 : 16,230.69 = 6,456.18 : x
  2. Step 2: Convert to fraction form
    11,761.32/16,230.69 = 6,456.18/x
  3. Step 3: Cross multiply
    11,761.32x = 16,230.69 × 6,456.18
  4. Step 4: Simplify right side
    11,761.32x = 104,788,256.16
  5. Step 5: Solve for x
    x = 104,788,256.16/11,761.32
  6. Step 6: Final answer
    x = 8,909.57

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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.