Home / 15,954.28-22,014.21-9,238.75

Finding the Fourth Proportional to 15,954.28, 22,014.21 and 9,238.75

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Solution

The fourth proportional to 15,954.28, 22,014.21 and 9,238.75 is: 12,747.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,954.28 : 22,014.21 = 9,238.75 : x
  2. Step 2: Convert to fraction form
    15,954.28/22,014.21 = 9,238.75/x
  3. Step 3: Cross multiply
    15,954.28x = 22,014.21 × 9,238.75
  4. Step 4: Simplify right side
    15,954.28x = 203,383,782.64
  5. Step 5: Solve for x
    x = 203,383,782.64/15,954.28
  6. Step 6: Final answer
    x = 12,747.91

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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.