Home / 18,845.17-28,263.03-7,754.92

Finding the Fourth Proportional to 18,845.17, 28,263.03 and 7,754.92

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Solution

The fourth proportional to 18,845.17, 28,263.03 and 7,754.92 is: 11,630.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,845.17 : 28,263.03 = 7,754.92 : x
  2. Step 2: Convert to fraction form
    18,845.17/28,263.03 = 7,754.92/x
  3. Step 3: Cross multiply
    18,845.17x = 28,263.03 × 7,754.92
  4. Step 4: Simplify right side
    18,845.17x = 219,177,536.61
  5. Step 5: Solve for x
    x = 219,177,536.61/18,845.17
  6. Step 6: Final answer
    x = 11,630.44

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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.