Home / 19,119.60-28,680.24-5,972.22

Finding the Fourth Proportional to 19,119.60, 28,680.24 and 5,972.22

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Solution

The fourth proportional to 19,119.60, 28,680.24 and 5,972.22 is: 8,958.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119.60 : 28,680.24 = 5,972.22 : x
  2. Step 2: Convert to fraction form
    19,119.60/28,680.24 = 5,972.22/x
  3. Step 3: Cross multiply
    19,119.60x = 28,680.24 × 5,972.22
  4. Step 4: Simplify right side
    19,119.60x = 171,284,702.93
  5. Step 5: Solve for x
    x = 171,284,702.93/19,119.60
  6. Step 6: Final answer
    x = 8,958.59

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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.