Home / 12,259.54-18,389.31-8,568.97

Finding the Fourth Proportional to 12,259.54, 18,389.31 and 8,568.97

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Solution

The fourth proportional to 12,259.54, 18,389.31 and 8,568.97 is: 12,853.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259.54 : 18,389.31 = 8,568.97 : x
  2. Step 2: Convert to fraction form
    12,259.54/18,389.31 = 8,568.97/x
  3. Step 3: Cross multiply
    12,259.54x = 18,389.31 × 8,568.97
  4. Step 4: Simplify right side
    12,259.54x = 157,577,445.71
  5. Step 5: Solve for x
    x = 157,577,445.71/12,259.54
  6. Step 6: Final answer
    x = 12,853.46

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.