Home / 21,781.54-32,667.75-6,194.98

Finding the Fourth Proportional to 21,781.54, 32,667.75 and 6,194.98

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Solution

The fourth proportional to 21,781.54, 32,667.75 and 6,194.98 is: 9,291.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,781.54 : 32,667.75 = 6,194.98 : x
  2. Step 2: Convert to fraction form
    21,781.54/32,667.75 = 6,194.98/x
  3. Step 3: Cross multiply
    21,781.54x = 32,667.75 × 6,194.98
  4. Step 4: Simplify right side
    21,781.54x = 202,376,057.90
  5. Step 5: Solve for x
    x = 202,376,057.90/21,781.54
  6. Step 6: Final answer
    x = 9,291.17

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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.