Home / 18,499.40-27,748.93-7,976.85

Finding the Fourth Proportional to 18,499.40, 27,748.93 and 7,976.85

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Solution

The fourth proportional to 18,499.40, 27,748.93 and 7,976.85 is: 11,965.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,499.40 : 27,748.93 = 7,976.85 : x
  2. Step 2: Convert to fraction form
    18,499.40/27,748.93 = 7,976.85/x
  3. Step 3: Cross multiply
    18,499.40x = 27,748.93 × 7,976.85
  4. Step 4: Simplify right side
    18,499.40x = 221,349,177.36
  5. Step 5: Solve for x
    x = 221,349,177.36/18,499.40
  6. Step 6: Final answer
    x = 11,965.21

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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.