Home / 17,945.90-26,919.36-4,798.28

Finding the Fourth Proportional to 17,945.90, 26,919.36 and 4,798.28

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Solution

The fourth proportional to 17,945.90, 26,919.36 and 4,798.28 is: 7,197.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,945.90 : 26,919.36 = 4,798.28 : x
  2. Step 2: Convert to fraction form
    17,945.90/26,919.36 = 4,798.28/x
  3. Step 3: Cross multiply
    17,945.90x = 26,919.36 × 4,798.28
  4. Step 4: Simplify right side
    17,945.90x = 129,166,626.70
  5. Step 5: Solve for x
    x = 129,166,626.70/17,945.90
  6. Step 6: Final answer
    x = 7,197.56

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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.