Home / 18,445.16-27,662.70-5,294

Finding the Fourth Proportional to 18,445.16, 27,662.70 and 5,294

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Solution

The fourth proportional to 18,445.16, 27,662.70 and 5,294 is: 7,939.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445.16 : 27,662.70 = 5,294 : x
  2. Step 2: Convert to fraction form
    18,445.16/27,662.70 = 5,294/x
  3. Step 3: Cross multiply
    18,445.16x = 27,662.70 × 5,294
  4. Step 4: Simplify right side
    18,445.16x = 146,446,333.80
  5. Step 5: Solve for x
    x = 146,446,333.80/18,445.16
  6. Step 6: Final answer
    x = 7,939.55

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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.