Home / 11,154.13-16,729.40-3,254.79

Finding the Fourth Proportional to 11,154.13, 16,729.40 and 3,254.79

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Solution

The fourth proportional to 11,154.13, 16,729.40 and 3,254.79 is: 4,881.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,154.13 : 16,729.40 = 3,254.79 : x
  2. Step 2: Convert to fraction form
    11,154.13/16,729.40 = 3,254.79/x
  3. Step 3: Cross multiply
    11,154.13x = 16,729.40 × 3,254.79
  4. Step 4: Simplify right side
    11,154.13x = 54,450,670.39
  5. Step 5: Solve for x
    x = 54,450,670.39/11,154.13
  6. Step 6: Final answer
    x = 4,881.66

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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.