Home / 21,786.45-32,671.37-9,312.26

Finding the Fourth Proportional to 21,786.45, 32,671.37 and 9,312.26

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Solution

The fourth proportional to 21,786.45, 32,671.37 and 9,312.26 is: 13,964.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,786.45 : 32,671.37 = 9,312.26 : x
  2. Step 2: Convert to fraction form
    21,786.45/32,671.37 = 9,312.26/x
  3. Step 3: Cross multiply
    21,786.45x = 32,671.37 × 9,312.26
  4. Step 4: Simplify right side
    21,786.45x = 304,244,082.08
  5. Step 5: Solve for x
    x = 304,244,082.08/21,786.45
  6. Step 6: Final answer
    x = 13,964.83

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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.