Home / 21,964.89-32,898.11-13,181.66

Finding the Fourth Proportional to 21,964.89, 32,898.11 and 13,181.66

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Solution

The fourth proportional to 21,964.89, 32,898.11 and 13,181.66 is: 19,742.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,964.89 : 32,898.11 = 13,181.66 : x
  2. Step 2: Convert to fraction form
    21,964.89/32,898.11 = 13,181.66/x
  3. Step 3: Cross multiply
    21,964.89x = 32,898.11 × 13,181.66
  4. Step 4: Simplify right side
    21,964.89x = 433,651,536.17
  5. Step 5: Solve for x
    x = 433,651,536.17/21,964.89
  6. Step 6: Final answer
    x = 19,742.94

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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.