Home / 9,613.32-13,266.36-5,421.54

Finding the Fourth Proportional to 9,613.32, 13,266.36 and 5,421.54

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Solution

The fourth proportional to 9,613.32, 13,266.36 and 5,421.54 is: 7,481.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,613.32 : 13,266.36 = 5,421.54 : x
  2. Step 2: Convert to fraction form
    9,613.32/13,266.36 = 5,421.54/x
  3. Step 3: Cross multiply
    9,613.32x = 13,266.36 × 5,421.54
  4. Step 4: Simplify right side
    9,613.32x = 71,924,101.39
  5. Step 5: Solve for x
    x = 71,924,101.39/9,613.32
  6. Step 6: Final answer
    x = 7,481.71

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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.