Home / 10,213.98-14,091.21-6,436.14

Finding the Fourth Proportional to 10,213.98, 14,091.21 and 6,436.14

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Solution

The fourth proportional to 10,213.98, 14,091.21 and 6,436.14 is: 8,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,213.98 : 14,091.21 = 6,436.14 : x
  2. Step 2: Convert to fraction form
    10,213.98/14,091.21 = 6,436.14/x
  3. Step 3: Cross multiply
    10,213.98x = 14,091.21 × 6,436.14
  4. Step 4: Simplify right side
    10,213.98x = 90,693,000.33
  5. Step 5: Solve for x
    x = 90,693,000.33/10,213.98
  6. Step 6: Final answer
    x = 8,879.30

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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.