Home / 21,791.04-32,668.20-10,112.64

Finding the Fourth Proportional to 21,791.04, 32,668.20 and 10,112.64

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Solution

The fourth proportional to 21,791.04, 32,668.20 and 10,112.64 is: 15,160.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,791.04 : 32,668.20 = 10,112.64 : x
  2. Step 2: Convert to fraction form
    21,791.04/32,668.20 = 10,112.64/x
  3. Step 3: Cross multiply
    21,791.04x = 32,668.20 × 10,112.64
  4. Step 4: Simplify right side
    21,791.04x = 330,361,746.05
  5. Step 5: Solve for x
    x = 330,361,746.05/21,791.04
  6. Step 6: Final answer
    x = 15,160.44

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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.