Home / 9,253.18-12,854.98-9,166.71

Finding the Fourth Proportional to 9,253.18, 12,854.98 and 9,166.71

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Solution

The fourth proportional to 9,253.18, 12,854.98 and 9,166.71 is: 12,734.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,253.18 : 12,854.98 = 9,166.71 : x
  2. Step 2: Convert to fraction form
    9,253.18/12,854.98 = 9,166.71/x
  3. Step 3: Cross multiply
    9,253.18x = 12,854.98 × 9,166.71
  4. Step 4: Simplify right side
    9,253.18x = 117,837,873.72
  5. Step 5: Solve for x
    x = 117,837,873.72/9,253.18
  6. Step 6: Final answer
    x = 12,734.85

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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.