Home / 9,102.05-13,650.64-5,613.79

Finding the Fourth Proportional to 9,102.05, 13,650.64 and 5,613.79

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Solution

The fourth proportional to 9,102.05, 13,650.64 and 5,613.79 is: 8,419.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,102.05 : 13,650.64 = 5,613.79 : x
  2. Step 2: Convert to fraction form
    9,102.05/13,650.64 = 5,613.79/x
  3. Step 3: Cross multiply
    9,102.05x = 13,650.64 × 5,613.79
  4. Step 4: Simplify right side
    9,102.05x = 76,631,826.33
  5. Step 5: Solve for x
    x = 76,631,826.33/9,102.05
  6. Step 6: Final answer
    x = 8,419.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.