Home / 10,910.10-16,365.15-10,108.20

Finding the Fourth Proportional to 10,910.10, 16,365.15 and 10,108.20

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Solution

The fourth proportional to 10,910.10, 16,365.15 and 10,108.20 is: 15,162.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,910.10 : 16,365.15 = 10,108.20 : x
  2. Step 2: Convert to fraction form
    10,910.10/16,365.15 = 10,108.20/x
  3. Step 3: Cross multiply
    10,910.10x = 16,365.15 × 10,108.20
  4. Step 4: Simplify right side
    10,910.10x = 165,422,209.23
  5. Step 5: Solve for x
    x = 165,422,209.23/10,910.10
  6. Step 6: Final answer
    x = 15,162.30

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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.