Home / 11,877.46-16,390.82-6,572.18

Finding the Fourth Proportional to 11,877.46, 16,390.82 and 6,572.18

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Solution

The fourth proportional to 11,877.46, 16,390.82 and 6,572.18 is: 9,069.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,877.46 : 16,390.82 = 6,572.18 : x
  2. Step 2: Convert to fraction form
    11,877.46/16,390.82 = 6,572.18/x
  3. Step 3: Cross multiply
    11,877.46x = 16,390.82 × 6,572.18
  4. Step 4: Simplify right side
    11,877.46x = 107,723,419.39
  5. Step 5: Solve for x
    x = 107,723,419.39/11,877.46
  6. Step 6: Final answer
    x = 9,069.57

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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.