Home / 21,812.85-32,714.61-9,963.26

Finding the Fourth Proportional to 21,812.85, 32,714.61 and 9,963.26

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Solution

The fourth proportional to 21,812.85, 32,714.61 and 9,963.26 is: 14,942.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,812.85 : 32,714.61 = 9,963.26 : x
  2. Step 2: Convert to fraction form
    21,812.85/32,714.61 = 9,963.26/x
  3. Step 3: Cross multiply
    21,812.85x = 32,714.61 × 9,963.26
  4. Step 4: Simplify right side
    21,812.85x = 325,944,001.66
  5. Step 5: Solve for x
    x = 325,944,001.66/21,812.85
  6. Step 6: Final answer
    x = 14,942.75

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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.