Home / 10,103.84-13,939.60-6,122.08

Finding the Fourth Proportional to 10,103.84, 13,939.60 and 6,122.08

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Solution

The fourth proportional to 10,103.84, 13,939.60 and 6,122.08 is: 8,446.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,103.84 : 13,939.60 = 6,122.08 : x
  2. Step 2: Convert to fraction form
    10,103.84/13,939.60 = 6,122.08/x
  3. Step 3: Cross multiply
    10,103.84x = 13,939.60 × 6,122.08
  4. Step 4: Simplify right side
    10,103.84x = 85,339,346.37
  5. Step 5: Solve for x
    x = 85,339,346.37/10,103.84
  6. Step 6: Final answer
    x = 8,446.23

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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.