Home / 19,867.14-29,758.05-18,703.98

Finding the Fourth Proportional to 19,867.14, 29,758.05 and 18,703.98

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Solution

The fourth proportional to 19,867.14, 29,758.05 and 18,703.98 is: 28,015.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,867.14 : 29,758.05 = 18,703.98 : x
  2. Step 2: Convert to fraction form
    19,867.14/29,758.05 = 18,703.98/x
  3. Step 3: Cross multiply
    19,867.14x = 29,758.05 × 18,703.98
  4. Step 4: Simplify right side
    19,867.14x = 556,593,972.04
  5. Step 5: Solve for x
    x = 556,593,972.04/19,867.14
  6. Step 6: Final answer
    x = 28,015.81

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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.