Home / 21,815.10-32,717.97-9,965.52

Finding the Fourth Proportional to 21,815.10, 32,717.97 and 9,965.52

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Solution

The fourth proportional to 21,815.10, 32,717.97 and 9,965.52 is: 14,946.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,815.10 : 32,717.97 = 9,965.52 : x
  2. Step 2: Convert to fraction form
    21,815.10/32,717.97 = 9,965.52/x
  3. Step 3: Cross multiply
    21,815.10x = 32,717.97 × 9,965.52
  4. Step 4: Simplify right side
    21,815.10x = 326,051,584.39
  5. Step 5: Solve for x
    x = 326,051,584.39/21,815.10
  6. Step 6: Final answer
    x = 14,946.14

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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.