Home / 15,441.42-21,308.65-9,067.89

Finding the Fourth Proportional to 15,441.42, 21,308.65 and 9,067.89

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Solution

The fourth proportional to 15,441.42, 21,308.65 and 9,067.89 is: 12,513.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,441.42 : 21,308.65 = 9,067.89 : x
  2. Step 2: Convert to fraction form
    15,441.42/21,308.65 = 9,067.89/x
  3. Step 3: Cross multiply
    15,441.42x = 21,308.65 × 9,067.89
  4. Step 4: Simplify right side
    15,441.42x = 193,224,471.58
  5. Step 5: Solve for x
    x = 193,224,471.58/15,441.42
  6. Step 6: Final answer
    x = 12,513.39

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Half scale
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Double scale
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Similar ratio
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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.