Home / 11,877.22-16,390.68-6,572.16

Finding the Fourth Proportional to 11,877.22, 16,390.68 and 6,572.16

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Solution

The fourth proportional to 11,877.22, 16,390.68 and 6,572.16 is: 9,069.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,877.22 : 16,390.68 = 6,572.16 : x
  2. Step 2: Convert to fraction form
    11,877.22/16,390.68 = 6,572.16/x
  3. Step 3: Cross multiply
    11,877.22x = 16,390.68 × 6,572.16
  4. Step 4: Simplify right side
    11,877.22x = 107,722,171.47
  5. Step 5: Solve for x
    x = 107,722,171.47/11,877.22
  6. Step 6: Final answer
    x = 9,069.65

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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.