Home / 20,068.92-30,104.46-8,370.36

Finding the Fourth Proportional to 20,068.92, 30,104.46 and 8,370.36

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Solution

The fourth proportional to 20,068.92, 30,104.46 and 8,370.36 is: 12,555.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,068.92 : 30,104.46 = 8,370.36 : x
  2. Step 2: Convert to fraction form
    20,068.92/30,104.46 = 8,370.36/x
  3. Step 3: Cross multiply
    20,068.92x = 30,104.46 × 8,370.36
  4. Step 4: Simplify right side
    20,068.92x = 251,985,167.81
  5. Step 5: Solve for x
    x = 251,985,167.81/20,068.92
  6. Step 6: Final answer
    x = 12,555.99

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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.