Home / 18,258.90-27,388.08-9,936.96

Finding the Fourth Proportional to 18,258.90, 27,388.08 and 9,936.96

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Solution

The fourth proportional to 18,258.90, 27,388.08 and 9,936.96 is: 14,905.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.90 : 27,388.08 = 9,936.96 : x
  2. Step 2: Convert to fraction form
    18,258.90/27,388.08 = 9,936.96/x
  3. Step 3: Cross multiply
    18,258.90x = 27,388.08 × 9,936.96
  4. Step 4: Simplify right side
    18,258.90x = 272,154,255.44
  5. Step 5: Solve for x
    x = 272,154,255.44/18,258.90
  6. Step 6: Final answer
    x = 14,905.29

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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.