Home / 15,209.75-22,825.56-5,357.31

Finding the Fourth Proportional to 15,209.75, 22,825.56 and 5,357.31

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Solution

The fourth proportional to 15,209.75, 22,825.56 and 5,357.31 is: 8,039.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,209.75 : 22,825.56 = 5,357.31 : x
  2. Step 2: Convert to fraction form
    15,209.75/22,825.56 = 5,357.31/x
  3. Step 3: Cross multiply
    15,209.75x = 22,825.56 × 5,357.31
  4. Step 4: Simplify right side
    15,209.75x = 122,283,600.84
  5. Step 5: Solve for x
    x = 122,283,600.84/15,209.75
  6. Step 6: Final answer
    x = 8,039.82

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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.