Home / 17,478.90-26,219.40-4,997.97

Finding the Fourth Proportional to 17,478.90, 26,219.40 and 4,997.97

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Solution

The fourth proportional to 17,478.90, 26,219.40 and 4,997.97 is: 7,497.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,478.90 : 26,219.40 = 4,997.97 : x
  2. Step 2: Convert to fraction form
    17,478.90/26,219.40 = 4,997.97/x
  3. Step 3: Cross multiply
    17,478.90x = 26,219.40 × 4,997.97
  4. Step 4: Simplify right side
    17,478.90x = 131,043,774.62
  5. Step 5: Solve for x
    x = 131,043,774.62/17,478.90
  6. Step 6: Final answer
    x = 7,497.26

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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.