Home / 21,778.49-32,663.84-5,768.14

Finding the Fourth Proportional to 21,778.49, 32,663.84 and 5,768.14

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Solution

The fourth proportional to 21,778.49, 32,663.84 and 5,768.14 is: 8,651.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,778.49 : 32,663.84 = 5,768.14 : x
  2. Step 2: Convert to fraction form
    21,778.49/32,663.84 = 5,768.14/x
  3. Step 3: Cross multiply
    21,778.49x = 32,663.84 × 5,768.14
  4. Step 4: Simplify right side
    21,778.49x = 188,409,493.38
  5. Step 5: Solve for x
    x = 188,409,493.38/21,778.49
  6. Step 6: Final answer
    x = 8,651.17

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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.