Home / 10,209.12-14,092.90-6,231.66

Finding the Fourth Proportional to 10,209.12, 14,092.90 and 6,231.66

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Solution

The fourth proportional to 10,209.12, 14,092.90 and 6,231.66 is: 8,602.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,209.12 : 14,092.90 = 6,231.66 : x
  2. Step 2: Convert to fraction form
    10,209.12/14,092.90 = 6,231.66/x
  3. Step 3: Cross multiply
    10,209.12x = 14,092.90 × 6,231.66
  4. Step 4: Simplify right side
    10,209.12x = 87,822,161.21
  5. Step 5: Solve for x
    x = 87,822,161.21/10,209.12
  6. Step 6: Final answer
    x = 8,602.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.