Home / 11,326.32-15,630.42-6,609.68

Finding the Fourth Proportional to 11,326.32, 15,630.42 and 6,609.68

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Solution

The fourth proportional to 11,326.32, 15,630.42 and 6,609.68 is: 9,121.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.32 : 15,630.42 = 6,609.68 : x
  2. Step 2: Convert to fraction form
    11,326.32/15,630.42 = 6,609.68/x
  3. Step 3: Cross multiply
    11,326.32x = 15,630.42 × 6,609.68
  4. Step 4: Simplify right side
    11,326.32x = 103,312,074.47
  5. Step 5: Solve for x
    x = 103,312,074.47/11,326.32
  6. Step 6: Final answer
    x = 9,121.42

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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.