Home / 13,176.20-19,764.30-3,816.20

Finding the Fourth Proportional to 13,176.20, 19,764.30 and 3,816.20

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Solution

The fourth proportional to 13,176.20, 19,764.30 and 3,816.20 is: 5,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.20 : 19,764.30 = 3,816.20 : x
  2. Step 2: Convert to fraction form
    13,176.20/19,764.30 = 3,816.20/x
  3. Step 3: Cross multiply
    13,176.20x = 19,764.30 × 3,816.20
  4. Step 4: Simplify right side
    13,176.20x = 75,424,521.66
  5. Step 5: Solve for x
    x = 75,424,521.66/13,176.20
  6. Step 6: Final answer
    x = 5,724.30

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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.