Home / 10,108.53-13,942.31-6,749.73

Finding the Fourth Proportional to 10,108.53, 13,942.31 and 6,749.73

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Solution

The fourth proportional to 10,108.53, 13,942.31 and 6,749.73 is: 9,309.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,108.53 : 13,942.31 = 6,749.73 : x
  2. Step 2: Convert to fraction form
    10,108.53/13,942.31 = 6,749.73/x
  3. Step 3: Cross multiply
    10,108.53x = 13,942.31 × 6,749.73
  4. Step 4: Simplify right side
    10,108.53x = 94,106,828.08
  5. Step 5: Solve for x
    x = 94,106,828.08/10,108.53
  6. Step 6: Final answer
    x = 9,309.65

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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.