Home / 19,118.62-28,677.92-5,972.12

Finding the Fourth Proportional to 19,118.62, 28,677.92 and 5,972.12

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Solution

The fourth proportional to 19,118.62, 28,677.92 and 5,972.12 is: 8,958.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118.62 : 28,677.92 = 5,972.12 : x
  2. Step 2: Convert to fraction form
    19,118.62/28,677.92 = 5,972.12/x
  3. Step 3: Cross multiply
    19,118.62x = 28,677.92 × 5,972.12
  4. Step 4: Simplify right side
    19,118.62x = 171,267,979.59
  5. Step 5: Solve for x
    x = 171,267,979.59/19,118.62
  6. Step 6: Final answer
    x = 8,958.18

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1.5x scale

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.