Home / 19,852.57-27,397.12-11,238.09

Finding the Fourth Proportional to 19,852.57, 27,397.12 and 11,238.09

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Solution

The fourth proportional to 19,852.57, 27,397.12 and 11,238.09 is: 15,508.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,852.57 : 27,397.12 = 11,238.09 : x
  2. Step 2: Convert to fraction form
    19,852.57/27,397.12 = 11,238.09/x
  3. Step 3: Cross multiply
    19,852.57x = 27,397.12 × 11,238.09
  4. Step 4: Simplify right side
    19,852.57x = 307,891,267.59
  5. Step 5: Solve for x
    x = 307,891,267.59/19,852.57
  6. Step 6: Final answer
    x = 15,508.89

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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.