Home / 9,668.40-13,344.24-5,689.68

Finding the Fourth Proportional to 9,668.40, 13,344.24 and 5,689.68

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Solution

The fourth proportional to 9,668.40, 13,344.24 and 5,689.68 is: 7,852.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,668.40 : 13,344.24 = 5,689.68 : x
  2. Step 2: Convert to fraction form
    9,668.40/13,344.24 = 5,689.68/x
  3. Step 3: Cross multiply
    9,668.40x = 13,344.24 × 5,689.68
  4. Step 4: Simplify right side
    9,668.40x = 75,924,455.44
  5. Step 5: Solve for x
    x = 75,924,455.44/9,668.40
  6. Step 6: Final answer
    x = 7,852.85

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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.