Home / 15,738.62-21,719.80-9,025.54

Finding the Fourth Proportional to 15,738.62, 21,719.80 and 9,025.54

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Solution

The fourth proportional to 15,738.62, 21,719.80 and 9,025.54 is: 12,455.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,738.62 : 21,719.80 = 9,025.54 : x
  2. Step 2: Convert to fraction form
    15,738.62/21,719.80 = 9,025.54/x
  3. Step 3: Cross multiply
    15,738.62x = 21,719.80 × 9,025.54
  4. Step 4: Simplify right side
    15,738.62x = 196,032,923.69
  5. Step 5: Solve for x
    x = 196,032,923.69/15,738.62
  6. Step 6: Final answer
    x = 12,455.53

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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.