Home / 9,184.20-12,676.50-5,207.69

Finding the Fourth Proportional to 9,184.20, 12,676.50 and 5,207.69

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Solution

The fourth proportional to 9,184.20, 12,676.50 and 5,207.69 is: 7,187.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,184.20 : 12,676.50 = 5,207.69 : x
  2. Step 2: Convert to fraction form
    9,184.20/12,676.50 = 5,207.69/x
  3. Step 3: Cross multiply
    9,184.20x = 12,676.50 × 5,207.69
  4. Step 4: Simplify right side
    9,184.20x = 66,015,218.90
  5. Step 5: Solve for x
    x = 66,015,218.90/9,184.20
  6. Step 6: Final answer
    x = 7,187.91

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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.