Home / 20,166.20-30,252.48-5,376.30

Finding the Fourth Proportional to 20,166.20, 30,252.48 and 5,376.30

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Solution

The fourth proportional to 20,166.20, 30,252.48 and 5,376.30 is: 8,065.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,166.20 : 30,252.48 = 5,376.30 : x
  2. Step 2: Convert to fraction form
    20,166.20/30,252.48 = 5,376.30/x
  3. Step 3: Cross multiply
    20,166.20x = 30,252.48 × 5,376.30
  4. Step 4: Simplify right side
    20,166.20x = 162,646,408.22
  5. Step 5: Solve for x
    x = 162,646,408.22/20,166.20
  6. Step 6: Final answer
    x = 8,065.30

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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.