Home / 13,927.82-20,903.40-13,052.07

Finding the Fourth Proportional to 13,927.82, 20,903.40 and 13,052.07

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Solution

The fourth proportional to 13,927.82, 20,903.40 and 13,052.07 is: 19,589.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,927.82 : 20,903.40 = 13,052.07 : x
  2. Step 2: Convert to fraction form
    13,927.82/20,903.40 = 13,052.07/x
  3. Step 3: Cross multiply
    13,927.82x = 20,903.40 × 13,052.07
  4. Step 4: Simplify right side
    13,927.82x = 272,832,640.04
  5. Step 5: Solve for x
    x = 272,832,640.04/13,927.82
  6. Step 6: Final answer
    x = 19,589.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.