Home / 9,187.08-12,677.76-5,207.96

Finding the Fourth Proportional to 9,187.08, 12,677.76 and 5,207.96

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Solution

The fourth proportional to 9,187.08, 12,677.76 and 5,207.96 is: 7,186.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.08 : 12,677.76 = 5,207.96 : x
  2. Step 2: Convert to fraction form
    9,187.08/12,677.76 = 5,207.96/x
  3. Step 3: Cross multiply
    9,187.08x = 12,677.76 × 5,207.96
  4. Step 4: Simplify right side
    9,187.08x = 66,025,266.97
  5. Step 5: Solve for x
    x = 66,025,266.97/9,187.08
  6. Step 6: Final answer
    x = 7,186.75

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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.