Home / 9,193.44-12,686.67-5,415.75

Finding the Fourth Proportional to 9,193.44, 12,686.67 and 5,415.75

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Solution

The fourth proportional to 9,193.44, 12,686.67 and 5,415.75 is: 7,473.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,193.44 : 12,686.67 = 5,415.75 : x
  2. Step 2: Convert to fraction form
    9,193.44/12,686.67 = 5,415.75/x
  3. Step 3: Cross multiply
    9,193.44x = 12,686.67 × 5,415.75
  4. Step 4: Simplify right side
    9,193.44x = 68,707,833.05
  5. Step 5: Solve for x
    x = 68,707,833.05/9,193.44
  6. Step 6: Final answer
    x = 7,473.57

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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.