Home / 10,219.56-14,104.29-6,239.83

Finding the Fourth Proportional to 10,219.56, 14,104.29 and 6,239.83

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Solution

The fourth proportional to 10,219.56, 14,104.29 and 6,239.83 is: 8,611.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219.56 : 14,104.29 = 6,239.83 : x
  2. Step 2: Convert to fraction form
    10,219.56/14,104.29 = 6,239.83/x
  3. Step 3: Cross multiply
    10,219.56x = 14,104.29 × 6,239.83
  4. Step 4: Simplify right side
    10,219.56x = 88,008,301.35
  5. Step 5: Solve for x
    x = 88,008,301.35/10,219.56
  6. Step 6: Final answer
    x = 8,611.75

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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.