Home / 17,645.20-26,467.80-5,331.60

Finding the Fourth Proportional to 17,645.20, 26,467.80 and 5,331.60

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Solution

The fourth proportional to 17,645.20, 26,467.80 and 5,331.60 is: 7,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,645.20 : 26,467.80 = 5,331.60 : x
  2. Step 2: Convert to fraction form
    17,645.20/26,467.80 = 5,331.60/x
  3. Step 3: Cross multiply
    17,645.20x = 26,467.80 × 5,331.60
  4. Step 4: Simplify right side
    17,645.20x = 141,115,722.48
  5. Step 5: Solve for x
    x = 141,115,722.48/17,645.20
  6. Step 6: Final answer
    x = 7,997.40

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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.