Home / 10,910.60-16,365.90-10,108.70

Finding the Fourth Proportional to 10,910.60, 16,365.90 and 10,108.70

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Solution

The fourth proportional to 10,910.60, 16,365.90 and 10,108.70 is: 15,163.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,910.60 : 16,365.90 = 10,108.70 : x
  2. Step 2: Convert to fraction form
    10,910.60/16,365.90 = 10,108.70/x
  3. Step 3: Cross multiply
    10,910.60x = 16,365.90 × 10,108.70
  4. Step 4: Simplify right side
    10,910.60x = 165,437,973.33
  5. Step 5: Solve for x
    x = 165,437,973.33/10,910.60
  6. Step 6: Final answer
    x = 15,163.05

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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.