Home / 21,918.39-32,882.46-10,225.23

Finding the Fourth Proportional to 21,918.39, 32,882.46 and 10,225.23

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Solution

The fourth proportional to 21,918.39, 32,882.46 and 10,225.23 is: 15,340.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,918.39 : 32,882.46 = 10,225.23 : x
  2. Step 2: Convert to fraction form
    21,918.39/32,882.46 = 10,225.23/x
  3. Step 3: Cross multiply
    21,918.39x = 32,882.46 × 10,225.23
  4. Step 4: Simplify right side
    21,918.39x = 336,230,716.47
  5. Step 5: Solve for x
    x = 336,230,716.47/21,918.39
  6. Step 6: Final answer
    x = 15,340.12

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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.