Home / 10,851.57-14,974.74-6,135.75

Finding the Fourth Proportional to 10,851.57, 14,974.74 and 6,135.75

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Solution

The fourth proportional to 10,851.57, 14,974.74 and 6,135.75 is: 8,467.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.57 : 14,974.74 = 6,135.75 : x
  2. Step 2: Convert to fraction form
    10,851.57/14,974.74 = 6,135.75/x
  3. Step 3: Cross multiply
    10,851.57x = 14,974.74 × 6,135.75
  4. Step 4: Simplify right side
    10,851.57x = 91,881,260.96
  5. Step 5: Solve for x
    x = 91,881,260.96/10,851.57
  6. Step 6: Final answer
    x = 8,467.09

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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.