Home / 18,370.64-27,555.96-7,976.72

Finding the Fourth Proportional to 18,370.64, 27,555.96 and 7,976.72

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Solution

The fourth proportional to 18,370.64, 27,555.96 and 7,976.72 is: 11,965.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,370.64 : 27,555.96 = 7,976.72 : x
  2. Step 2: Convert to fraction form
    18,370.64/27,555.96 = 7,976.72/x
  3. Step 3: Cross multiply
    18,370.64x = 27,555.96 × 7,976.72
  4. Step 4: Simplify right side
    18,370.64x = 219,806,177.25
  5. Step 5: Solve for x
    x = 219,806,177.25/18,370.64
  6. Step 6: Final answer
    x = 11,965.08

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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.