Home / 18,380.40-27,570.96-5,233.11

Finding the Fourth Proportional to 18,380.40, 27,570.96 and 5,233.11

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Solution

The fourth proportional to 18,380.40, 27,570.96 and 5,233.11 is: 7,849.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,380.40 : 27,570.96 = 5,233.11 : x
  2. Step 2: Convert to fraction form
    18,380.40/27,570.96 = 5,233.11/x
  3. Step 3: Cross multiply
    18,380.40x = 27,570.96 × 5,233.11
  4. Step 4: Simplify right side
    18,380.40x = 144,281,866.49
  5. Step 5: Solve for x
    x = 144,281,866.49/18,380.40
  6. Step 6: Final answer
    x = 7,849.77

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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.