Home / 17,838.90-26,729.55-11,253.30

Finding the Fourth Proportional to 17,838.90, 26,729.55 and 11,253.30

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Solution

The fourth proportional to 17,838.90, 26,729.55 and 11,253.30 is: 16,861.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,838.90 : 26,729.55 = 11,253.30 : x
  2. Step 2: Convert to fraction form
    17,838.90/26,729.55 = 11,253.30/x
  3. Step 3: Cross multiply
    17,838.90x = 26,729.55 × 11,253.30
  4. Step 4: Simplify right side
    17,838.90x = 300,795,645.02
  5. Step 5: Solve for x
    x = 300,795,645.02/17,838.90
  6. Step 6: Final answer
    x = 16,861.78

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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.