Home / 22,323.24-30,806.28-12,891.60

Finding the Fourth Proportional to 22,323.24, 30,806.28 and 12,891.60

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Solution

The fourth proportional to 22,323.24, 30,806.28 and 12,891.60 is: 17,790.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,323.24 : 30,806.28 = 12,891.60 : x
  2. Step 2: Convert to fraction form
    22,323.24/30,806.28 = 12,891.60/x
  3. Step 3: Cross multiply
    22,323.24x = 30,806.28 × 12,891.60
  4. Step 4: Simplify right side
    22,323.24x = 397,142,239.25
  5. Step 5: Solve for x
    x = 397,142,239.25/22,323.24
  6. Step 6: Final answer
    x = 17,790.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.