Home / 12,516.50-17,276.62-7,214.85

Finding the Fourth Proportional to 12,516.50, 17,276.62 and 7,214.85

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Solution

The fourth proportional to 12,516.50, 17,276.62 and 7,214.85 is: 9,958.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,516.50 : 17,276.62 = 7,214.85 : x
  2. Step 2: Convert to fraction form
    12,516.50/17,276.62 = 7,214.85/x
  3. Step 3: Cross multiply
    12,516.50x = 17,276.62 × 7,214.85
  4. Step 4: Simplify right side
    12,516.50x = 124,648,221.81
  5. Step 5: Solve for x
    x = 124,648,221.81/12,516.50
  6. Step 6: Final answer
    x = 9,958.71

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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.