Home / 12,832.29-19,279.26-12,124.22

Finding the Fourth Proportional to 12,832.29, 19,279.26 and 12,124.22

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Solution

The fourth proportional to 12,832.29, 19,279.26 and 12,124.22 is: 18,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,832.29 : 19,279.26 = 12,124.22 : x
  2. Step 2: Convert to fraction form
    12,832.29/19,279.26 = 12,124.22/x
  3. Step 3: Cross multiply
    12,832.29x = 19,279.26 × 12,124.22
  4. Step 4: Simplify right side
    12,832.29x = 233,745,893.28
  5. Step 5: Solve for x
    x = 233,745,893.28/12,832.29
  6. Step 6: Final answer
    x = 18,215.45

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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.