Home / 19,767.52-27,279.85-11,270.89

Finding the Fourth Proportional to 19,767.52, 27,279.85 and 11,270.89

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Solution

The fourth proportional to 19,767.52, 27,279.85 and 11,270.89 is: 15,554.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,767.52 : 27,279.85 = 11,270.89 : x
  2. Step 2: Convert to fraction form
    19,767.52/27,279.85 = 11,270.89/x
  3. Step 3: Cross multiply
    19,767.52x = 27,279.85 × 11,270.89
  4. Step 4: Simplify right side
    19,767.52x = 307,468,188.57
  5. Step 5: Solve for x
    x = 307,468,188.57/19,767.52
  6. Step 6: Final answer
    x = 15,554.21

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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.