Home / 18,376.32-27,548.88-7,290.80

Finding the Fourth Proportional to 18,376.32, 27,548.88 and 7,290.80

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Solution

The fourth proportional to 18,376.32, 27,548.88 and 7,290.80 is: 10,930.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376.32 : 27,548.88 = 7,290.80 : x
  2. Step 2: Convert to fraction form
    18,376.32/27,548.88 = 7,290.80/x
  3. Step 3: Cross multiply
    18,376.32x = 27,548.88 × 7,290.80
  4. Step 4: Simplify right side
    18,376.32x = 200,853,374.30
  5. Step 5: Solve for x
    x = 200,853,374.30/18,376.32
  6. Step 6: Final answer
    x = 10,930.01

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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.