Home / 11,827.12-16,316.40-8,677.84

Finding the Fourth Proportional to 11,827.12, 16,316.40 and 8,677.84

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Solution

The fourth proportional to 11,827.12, 16,316.40 and 8,677.84 is: 11,971.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,827.12 : 16,316.40 = 8,677.84 : x
  2. Step 2: Convert to fraction form
    11,827.12/16,316.40 = 8,677.84/x
  3. Step 3: Cross multiply
    11,827.12x = 16,316.40 × 8,677.84
  4. Step 4: Simplify right side
    11,827.12x = 141,591,108.58
  5. Step 5: Solve for x
    x = 141,591,108.58/11,827.12
  6. Step 6: Final answer
    x = 11,971.73

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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.