Home / 9,175.61-12,727.31-8,860.93

Finding the Fourth Proportional to 9,175.61, 12,727.31 and 8,860.93

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Solution

The fourth proportional to 9,175.61, 12,727.31 and 8,860.93 is: 12,290.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175.61 : 12,727.31 = 8,860.93 : x
  2. Step 2: Convert to fraction form
    9,175.61/12,727.31 = 8,860.93/x
  3. Step 3: Cross multiply
    9,175.61x = 12,727.31 × 8,860.93
  4. Step 4: Simplify right side
    9,175.61x = 112,775,771.18
  5. Step 5: Solve for x
    x = 112,775,771.18/9,175.61
  6. Step 6: Final answer
    x = 12,290.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.