Home / 12,258.54-18,387.81-8,567.97

Finding the Fourth Proportional to 12,258.54, 18,387.81 and 8,567.97

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Solution

The fourth proportional to 12,258.54, 18,387.81 and 8,567.97 is: 12,851.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258.54 : 18,387.81 = 8,567.97 : x
  2. Step 2: Convert to fraction form
    12,258.54/18,387.81 = 8,567.97/x
  3. Step 3: Cross multiply
    12,258.54x = 18,387.81 × 8,567.97
  4. Step 4: Simplify right side
    12,258.54x = 157,546,204.45
  5. Step 5: Solve for x
    x = 157,546,204.45/12,258.54
  6. Step 6: Final answer
    x = 12,851.96

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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.