Home / 18,665.44-27,974.40-9,904.48

Finding the Fourth Proportional to 18,665.44, 27,974.40 and 9,904.48

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Solution

The fourth proportional to 18,665.44, 27,974.40 and 9,904.48 is: 14,844.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,665.44 : 27,974.40 = 9,904.48 : x
  2. Step 2: Convert to fraction form
    18,665.44/27,974.40 = 9,904.48/x
  3. Step 3: Cross multiply
    18,665.44x = 27,974.40 × 9,904.48
  4. Step 4: Simplify right side
    18,665.44x = 277,071,885.31
  5. Step 5: Solve for x
    x = 277,071,885.31/18,665.44
  6. Step 6: Final answer
    x = 14,844.11

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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.