Home / 10,239.12-15,355.83-2,843.01

Finding the Fourth Proportional to 10,239.12, 15,355.83 and 2,843.01

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Solution

The fourth proportional to 10,239.12, 15,355.83 and 2,843.01 is: 4,263.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,239.12 : 15,355.83 = 2,843.01 : x
  2. Step 2: Convert to fraction form
    10,239.12/15,355.83 = 2,843.01/x
  3. Step 3: Cross multiply
    10,239.12x = 15,355.83 × 2,843.01
  4. Step 4: Simplify right side
    10,239.12x = 43,656,778.25
  5. Step 5: Solve for x
    x = 43,656,778.25/10,239.12
  6. Step 6: Final answer
    x = 4,263.72

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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.