Home / 11,146.06-16,719.45-4,127.84

Finding the Fourth Proportional to 11,146.06, 16,719.45 and 4,127.84

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Solution

The fourth proportional to 11,146.06, 16,719.45 and 4,127.84 is: 6,191.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.06 : 16,719.45 = 4,127.84 : x
  2. Step 2: Convert to fraction form
    11,146.06/16,719.45 = 4,127.84/x
  3. Step 3: Cross multiply
    11,146.06x = 16,719.45 × 4,127.84
  4. Step 4: Simplify right side
    11,146.06x = 69,015,264.03
  5. Step 5: Solve for x
    x = 69,015,264.03/11,146.06
  6. Step 6: Final answer
    x = 6,191.90

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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.