Home / 21,967.67-30,169.15-18,424.73

Finding the Fourth Proportional to 21,967.67, 30,169.15 and 18,424.73

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Solution

The fourth proportional to 21,967.67, 30,169.15 and 18,424.73 is: 25,303.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,967.67 : 30,169.15 = 18,424.73 : x
  2. Step 2: Convert to fraction form
    21,967.67/30,169.15 = 18,424.73/x
  3. Step 3: Cross multiply
    21,967.67x = 30,169.15 × 18,424.73
  4. Step 4: Simplify right side
    21,967.67x = 555,858,443.08
  5. Step 5: Solve for x
    x = 555,858,443.08/21,967.67
  6. Step 6: Final answer
    x = 25,303.48

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.