Home / 19,118.57-28,677.83-5,972.06

Finding the Fourth Proportional to 19,118.57, 28,677.83 and 5,972.06

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Solution

The fourth proportional to 19,118.57, 28,677.83 and 5,972.06 is: 8,958.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118.57 : 28,677.83 = 5,972.06 : x
  2. Step 2: Convert to fraction form
    19,118.57/28,677.83 = 5,972.06/x
  3. Step 3: Cross multiply
    19,118.57x = 28,677.83 × 5,972.06
  4. Step 4: Simplify right side
    19,118.57x = 171,265,548.18
  5. Step 5: Solve for x
    x = 171,265,548.18/19,118.57
  6. Step 6: Final answer
    x = 8,958.08

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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.