Home / 18,967.96-26,178.98-11,016.84

Finding the Fourth Proportional to 18,967.96, 26,178.98 and 11,016.84

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Solution

The fourth proportional to 18,967.96, 26,178.98 and 11,016.84 is: 15,205.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,967.96 : 26,178.98 = 11,016.84 : x
  2. Step 2: Convert to fraction form
    18,967.96/26,178.98 = 11,016.84/x
  3. Step 3: Cross multiply
    18,967.96x = 26,178.98 × 11,016.84
  4. Step 4: Simplify right side
    18,967.96x = 288,409,634.02
  5. Step 5: Solve for x
    x = 288,409,634.02/18,967.96
  6. Step 6: Final answer
    x = 15,205.10

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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.