Home / 21,964.28-32,946.34-6,381.88

Finding the Fourth Proportional to 21,964.28, 32,946.34 and 6,381.88

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Solution

The fourth proportional to 21,964.28, 32,946.34 and 6,381.88 is: 9,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,964.28 : 32,946.34 = 6,381.88 : x
  2. Step 2: Convert to fraction form
    21,964.28/32,946.34 = 6,381.88/x
  3. Step 3: Cross multiply
    21,964.28x = 32,946.34 × 6,381.88
  4. Step 4: Simplify right side
    21,964.28x = 210,259,588.32
  5. Step 5: Solve for x
    x = 210,259,588.32/21,964.28
  6. Step 6: Final answer
    x = 9,572.80

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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.