Home / 18,786.06-28,182.30-6,307.29

Finding the Fourth Proportional to 18,786.06, 28,182.30 and 6,307.29

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Solution

The fourth proportional to 18,786.06, 28,182.30 and 6,307.29 is: 9,462.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,786.06 : 28,182.30 = 6,307.29 : x
  2. Step 2: Convert to fraction form
    18,786.06/28,182.30 = 6,307.29/x
  3. Step 3: Cross multiply
    18,786.06x = 28,182.30 × 6,307.29
  4. Step 4: Simplify right side
    18,786.06x = 177,753,938.97
  5. Step 5: Solve for x
    x = 177,753,938.97/18,786.06
  6. Step 6: Final answer
    x = 9,462.01

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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.