Home / 20,166.32-30,246.06-5,376.80

Finding the Fourth Proportional to 20,166.32, 30,246.06 and 5,376.80

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Solution

The fourth proportional to 20,166.32, 30,246.06 and 5,376.80 is: 8,064.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,166.32 : 30,246.06 = 5,376.80 : x
  2. Step 2: Convert to fraction form
    20,166.32/30,246.06 = 5,376.80/x
  3. Step 3: Cross multiply
    20,166.32x = 30,246.06 × 5,376.80
  4. Step 4: Simplify right side
    20,166.32x = 162,627,015.41
  5. Step 5: Solve for x
    x = 162,627,015.41/20,166.32
  6. Step 6: Final answer
    x = 8,064.29

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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.