Home / 17,419.30-26,129.18-6,884.80

Finding the Fourth Proportional to 17,419.30, 26,129.18 and 6,884.80

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Solution

The fourth proportional to 17,419.30, 26,129.18 and 6,884.80 is: 10,327.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,419.30 : 26,129.18 = 6,884.80 : x
  2. Step 2: Convert to fraction form
    17,419.30/26,129.18 = 6,884.80/x
  3. Step 3: Cross multiply
    17,419.30x = 26,129.18 × 6,884.80
  4. Step 4: Simplify right side
    17,419.30x = 179,894,130.35
  5. Step 5: Solve for x
    x = 179,894,130.35/17,419.30
  6. Step 6: Final answer
    x = 10,327.29

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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.