Home / 19,799.36-27,352.79-13,009.53

Finding the Fourth Proportional to 19,799.36, 27,352.79 and 13,009.53

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Solution

The fourth proportional to 19,799.36, 27,352.79 and 13,009.53 is: 17,972.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,799.36 : 27,352.79 = 13,009.53 : x
  2. Step 2: Convert to fraction form
    19,799.36/27,352.79 = 13,009.53/x
  3. Step 3: Cross multiply
    19,799.36x = 27,352.79 × 13,009.53
  4. Step 4: Simplify right side
    19,799.36x = 355,846,877.04
  5. Step 5: Solve for x
    x = 355,846,877.04/19,799.36
  6. Step 6: Final answer
    x = 17,972.65

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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.