Home / 15,238.36-21,027.94-8,522.82

Finding the Fourth Proportional to 15,238.36, 21,027.94 and 8,522.82

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Solution

The fourth proportional to 15,238.36, 21,027.94 and 8,522.82 is: 11,760.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,238.36 : 21,027.94 = 8,522.82 : x
  2. Step 2: Convert to fraction form
    15,238.36/21,027.94 = 8,522.82/x
  3. Step 3: Cross multiply
    15,238.36x = 21,027.94 × 8,522.82
  4. Step 4: Simplify right side
    15,238.36x = 179,217,347.59
  5. Step 5: Solve for x
    x = 179,217,347.59/15,238.36
  6. Step 6: Final answer
    x = 11,760.94

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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.