Home / 13,241.43-18,276.09-9,158.97

Finding the Fourth Proportional to 13,241.43, 18,276.09 and 9,158.97

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Solution

The fourth proportional to 13,241.43, 18,276.09 and 9,158.97 is: 12,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.43 : 18,276.09 = 9,158.97 : x
  2. Step 2: Convert to fraction form
    13,241.43/18,276.09 = 9,158.97/x
  3. Step 3: Cross multiply
    13,241.43x = 18,276.09 × 9,158.97
  4. Step 4: Simplify right side
    13,241.43x = 167,390,200.66
  5. Step 5: Solve for x
    x = 167,390,200.66/13,241.43
  6. Step 6: Final answer
    x = 12,641.40

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Half scale
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Double scale
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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.