Home / 11,280.60-16,916.04-3,487.68

Finding the Fourth Proportional to 11,280.60, 16,916.04 and 3,487.68

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Solution

The fourth proportional to 11,280.60, 16,916.04 and 3,487.68 is: 5,230.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280.60 : 16,916.04 = 3,487.68 : x
  2. Step 2: Convert to fraction form
    11,280.60/16,916.04 = 3,487.68/x
  3. Step 3: Cross multiply
    11,280.60x = 16,916.04 × 3,487.68
  4. Step 4: Simplify right side
    11,280.60x = 58,997,734.39
  5. Step 5: Solve for x
    x = 58,997,734.39/11,280.60
  6. Step 6: Final answer
    x = 5,230.02

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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.