Home / 9,186.22-12,677.70-5,207.32

Finding the Fourth Proportional to 9,186.22, 12,677.70 and 5,207.32

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Solution

The fourth proportional to 9,186.22, 12,677.70 and 5,207.32 is: 7,186.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.22 : 12,677.70 = 5,207.32 : x
  2. Step 2: Convert to fraction form
    9,186.22/12,677.70 = 5,207.32/x
  3. Step 3: Cross multiply
    9,186.22x = 12,677.70 × 5,207.32
  4. Step 4: Simplify right side
    9,186.22x = 66,016,840.76
  5. Step 5: Solve for x
    x = 66,016,840.76/9,186.22
  6. Step 6: Final answer
    x = 7,186.51

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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.