Home / 13,974.08-20,961.14-4,113.47

Finding the Fourth Proportional to 13,974.08, 20,961.14 and 4,113.47

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Solution

The fourth proportional to 13,974.08, 20,961.14 and 4,113.47 is: 6,170.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,974.08 : 20,961.14 = 4,113.47 : x
  2. Step 2: Convert to fraction form
    13,974.08/20,961.14 = 4,113.47/x
  3. Step 3: Cross multiply
    13,974.08x = 20,961.14 × 4,113.47
  4. Step 4: Simplify right side
    13,974.08x = 86,222,895.18
  5. Step 5: Solve for x
    x = 86,222,895.18/13,974.08
  6. Step 6: Final answer
    x = 6,170.20

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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.