Home / 21,964.14-32,948.01-6,381.75

Finding the Fourth Proportional to 21,964.14, 32,948.01 and 6,381.75

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Solution

The fourth proportional to 21,964.14, 32,948.01 and 6,381.75 is: 9,573.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,964.14 : 32,948.01 = 6,381.75 : x
  2. Step 2: Convert to fraction form
    21,964.14/32,948.01 = 6,381.75/x
  3. Step 3: Cross multiply
    21,964.14x = 32,948.01 × 6,381.75
  4. Step 4: Simplify right side
    21,964.14x = 210,265,962.82
  5. Step 5: Solve for x
    x = 210,265,962.82/21,964.14
  6. Step 6: Final answer
    x = 9,573.15

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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.