Home / 11,200.60-16,802.34-3,408.40

Finding the Fourth Proportional to 11,200.60, 16,802.34 and 3,408.40

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Solution

The fourth proportional to 11,200.60, 16,802.34 and 3,408.40 is: 5,113.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,200.60 : 16,802.34 = 3,408.40 : x
  2. Step 2: Convert to fraction form
    11,200.60/16,802.34 = 3,408.40/x
  3. Step 3: Cross multiply
    11,200.60x = 16,802.34 × 3,408.40
  4. Step 4: Simplify right side
    11,200.60x = 57,269,095.66
  5. Step 5: Solve for x
    x = 57,269,095.66/11,200.60
  6. Step 6: Final answer
    x = 5,113.04

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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.