Home / 21,964.14-32,897-13,180.90

Finding the Fourth Proportional to 21,964.14, 32,897 and 13,180.90

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Solution

The fourth proportional to 21,964.14, 32,897 and 13,180.90 is: 19,741.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,964.14 : 32,897 = 13,180.90 : x
  2. Step 2: Convert to fraction form
    21,964.14/32,897 = 13,180.90/x
  3. Step 3: Cross multiply
    21,964.14x = 32,897 × 13,180.90
  4. Step 4: Simplify right side
    21,964.14x = 433,612,067.30
  5. Step 5: Solve for x
    x = 433,612,067.30/21,964.14
  6. Step 6: Final answer
    x = 19,741.82

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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.