Home / 12,824.92-19,238.91-12,125.08

Finding the Fourth Proportional to 12,824.92, 19,238.91 and 12,125.08

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Solution

The fourth proportional to 12,824.92, 19,238.91 and 12,125.08 is: 18,189.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,824.92 : 19,238.91 = 12,125.08 : x
  2. Step 2: Convert to fraction form
    12,824.92/19,238.91 = 12,125.08/x
  3. Step 3: Cross multiply
    12,824.92x = 19,238.91 × 12,125.08
  4. Step 4: Simplify right side
    12,824.92x = 233,273,166.04
  5. Step 5: Solve for x
    x = 233,273,166.04/12,824.92
  6. Step 6: Final answer
    x = 18,189.06

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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.