Home / 19,967.78-27,555.19-11,016.14

Finding the Fourth Proportional to 19,967.78, 27,555.19 and 11,016.14

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Solution

The fourth proportional to 19,967.78, 27,555.19 and 11,016.14 is: 15,202.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,967.78 : 27,555.19 = 11,016.14 : x
  2. Step 2: Convert to fraction form
    19,967.78/27,555.19 = 11,016.14/x
  3. Step 3: Cross multiply
    19,967.78x = 27,555.19 × 11,016.14
  4. Step 4: Simplify right side
    19,967.78x = 303,551,830.77
  5. Step 5: Solve for x
    x = 303,551,830.77/19,967.78
  6. Step 6: Final answer
    x = 15,202.08

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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.