Home / 17,877.30-26,816.55-6,789.21

Finding the Fourth Proportional to 17,877.30, 26,816.55 and 6,789.21

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Solution

The fourth proportional to 17,877.30, 26,816.55 and 6,789.21 is: 10,184.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,877.30 : 26,816.55 = 6,789.21 : x
  2. Step 2: Convert to fraction form
    17,877.30/26,816.55 = 6,789.21/x
  3. Step 3: Cross multiply
    17,877.30x = 26,816.55 × 6,789.21
  4. Step 4: Simplify right side
    17,877.30x = 182,063,189.43
  5. Step 5: Solve for x
    x = 182,063,189.43/17,877.30
  6. Step 6: Final answer
    x = 10,184.04

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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.