Home / 18,645.22-27,967.80-5,497.70

Finding the Fourth Proportional to 18,645.22, 27,967.80 and 5,497.70

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Solution

The fourth proportional to 18,645.22, 27,967.80 and 5,497.70 is: 8,246.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,645.22 : 27,967.80 = 5,497.70 : x
  2. Step 2: Convert to fraction form
    18,645.22/27,967.80 = 5,497.70/x
  3. Step 3: Cross multiply
    18,645.22x = 27,967.80 × 5,497.70
  4. Step 4: Simplify right side
    18,645.22x = 153,758,574.06
  5. Step 5: Solve for x
    x = 153,758,574.06/18,645.22
  6. Step 6: Final answer
    x = 8,246.54

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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.