Home / 10,880.60-16,355.70-10,110.20

Finding the Fourth Proportional to 10,880.60, 16,355.70 and 10,110.20

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Solution

The fourth proportional to 10,880.60, 16,355.70 and 10,110.20 is: 15,197.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880.60 : 16,355.70 = 10,110.20 : x
  2. Step 2: Convert to fraction form
    10,880.60/16,355.70 = 10,110.20/x
  3. Step 3: Cross multiply
    10,880.60x = 16,355.70 × 10,110.20
  4. Step 4: Simplify right side
    10,880.60x = 165,359,398.14
  5. Step 5: Solve for x
    x = 165,359,398.14/10,880.60
  6. Step 6: Final answer
    x = 15,197.64

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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.