Home / 19,989.11-27,585.01-11,036.63

Finding the Fourth Proportional to 19,989.11, 27,585.01 and 11,036.63

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Solution

The fourth proportional to 19,989.11, 27,585.01 and 11,036.63 is: 15,230.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,989.11 : 27,585.01 = 11,036.63 : x
  2. Step 2: Convert to fraction form
    19,989.11/27,585.01 = 11,036.63/x
  3. Step 3: Cross multiply
    19,989.11x = 27,585.01 × 11,036.63
  4. Step 4: Simplify right side
    19,989.11x = 304,445,383.40
  5. Step 5: Solve for x
    x = 304,445,383.40/19,989.11
  6. Step 6: Final answer
    x = 15,230.57

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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.