Home / 10,884.60-16,328.10-3,487.80

Finding the Fourth Proportional to 10,884.60, 16,328.10 and 3,487.80

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Solution

The fourth proportional to 10,884.60, 16,328.10 and 3,487.80 is: 5,232.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,884.60 : 16,328.10 = 3,487.80 : x
  2. Step 2: Convert to fraction form
    10,884.60/16,328.10 = 3,487.80/x
  3. Step 3: Cross multiply
    10,884.60x = 16,328.10 × 3,487.80
  4. Step 4: Simplify right side
    10,884.60x = 56,949,147.18
  5. Step 5: Solve for x
    x = 56,949,147.18/10,884.60
  6. Step 6: Final answer
    x = 5,232.08

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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.