Home / 19,840.52-27,381.42-11,342.96

Finding the Fourth Proportional to 19,840.52, 27,381.42 and 11,342.96

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Solution

The fourth proportional to 19,840.52, 27,381.42 and 11,342.96 is: 15,654.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,840.52 : 27,381.42 = 11,342.96 : x
  2. Step 2: Convert to fraction form
    19,840.52/27,381.42 = 11,342.96/x
  3. Step 3: Cross multiply
    19,840.52x = 27,381.42 × 11,342.96
  4. Step 4: Simplify right side
    19,840.52x = 310,586,351.80
  5. Step 5: Solve for x
    x = 310,586,351.80/19,840.52
  6. Step 6: Final answer
    x = 15,654.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.