Home / 21,816.14-32,729.06-11,950.34

Finding the Fourth Proportional to 21,816.14, 32,729.06 and 11,950.34

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Solution

The fourth proportional to 21,816.14, 32,729.06 and 11,950.34 is: 17,928.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,816.14 : 32,729.06 = 11,950.34 : x
  2. Step 2: Convert to fraction form
    21,816.14/32,729.06 = 11,950.34/x
  3. Step 3: Cross multiply
    21,816.14x = 32,729.06 × 11,950.34
  4. Step 4: Simplify right side
    21,816.14x = 391,123,261.11
  5. Step 5: Solve for x
    x = 391,123,261.11/21,816.14
  6. Step 6: Final answer
    x = 17,928.16

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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.