Home / 13,937.08-20,906.43-4,076.14

Finding the Fourth Proportional to 13,937.08, 20,906.43 and 4,076.14

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Solution

The fourth proportional to 13,937.08, 20,906.43 and 4,076.14 is: 6,114.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,937.08 : 20,906.43 = 4,076.14 : x
  2. Step 2: Convert to fraction form
    13,937.08/20,906.43 = 4,076.14/x
  3. Step 3: Cross multiply
    13,937.08x = 20,906.43 × 4,076.14
  4. Step 4: Simplify right side
    13,937.08x = 85,217,535.58
  5. Step 5: Solve for x
    x = 85,217,535.58/13,937.08
  6. Step 6: Final answer
    x = 6,114.45

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1.5x scale

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.