Home / 19,118.55-28,672.97-5,972.25

Finding the Fourth Proportional to 19,118.55, 28,672.97 and 5,972.25

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Solution

The fourth proportional to 19,118.55, 28,672.97 and 5,972.25 is: 8,956.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118.55 : 28,672.97 = 5,972.25 : x
  2. Step 2: Convert to fraction form
    19,118.55/28,672.97 = 5,972.25/x
  3. Step 3: Cross multiply
    19,118.55x = 28,672.97 × 5,972.25
  4. Step 4: Simplify right side
    19,118.55x = 171,242,115.22
  5. Step 5: Solve for x
    x = 171,242,115.22/19,118.55
  6. Step 6: Final answer
    x = 8,956.86

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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.