Home / 13,048.92-19,536.06-12,221.28

Finding the Fourth Proportional to 13,048.92, 19,536.06 and 12,221.28

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Solution

The fourth proportional to 13,048.92, 19,536.06 and 12,221.28 is: 18,296.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,048.92 : 19,536.06 = 12,221.28 : x
  2. Step 2: Convert to fraction form
    13,048.92/19,536.06 = 12,221.28/x
  3. Step 3: Cross multiply
    13,048.92x = 19,536.06 × 12,221.28
  4. Step 4: Simplify right side
    13,048.92x = 238,755,659.36
  5. Step 5: Solve for x
    x = 238,755,659.36/13,048.92
  6. Step 6: Final answer
    x = 18,296.97

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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.