Home / 18,247.12-27,374.92-5,768.40

Finding the Fourth Proportional to 18,247.12, 27,374.92 and 5,768.40

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Solution

The fourth proportional to 18,247.12, 27,374.92 and 5,768.40 is: 8,653.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,247.12 : 27,374.92 = 5,768.40 : x
  2. Step 2: Convert to fraction form
    18,247.12/27,374.92 = 5,768.40/x
  3. Step 3: Cross multiply
    18,247.12x = 27,374.92 × 5,768.40
  4. Step 4: Simplify right side
    18,247.12x = 157,909,488.53
  5. Step 5: Solve for x
    x = 157,909,488.53/18,247.12
  6. Step 6: Final answer
    x = 8,653.94

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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.