Home / 19,958.78-27,542.59-11,006.13

Finding the Fourth Proportional to 19,958.78, 27,542.59 and 11,006.13

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Solution

The fourth proportional to 19,958.78, 27,542.59 and 11,006.13 is: 15,188.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958.78 : 27,542.59 = 11,006.13 : x
  2. Step 2: Convert to fraction form
    19,958.78/27,542.59 = 11,006.13/x
  3. Step 3: Cross multiply
    19,958.78x = 27,542.59 × 11,006.13
  4. Step 4: Simplify right side
    19,958.78x = 303,137,298.56
  5. Step 5: Solve for x
    x = 303,137,298.56/19,958.78
  6. Step 6: Final answer
    x = 15,188.17

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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.