Home / 17,961.12-26,941.68-4,813.56

Finding the Fourth Proportional to 17,961.12, 26,941.68 and 4,813.56

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Solution

The fourth proportional to 17,961.12, 26,941.68 and 4,813.56 is: 7,220.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,961.12 : 26,941.68 = 4,813.56 : x
  2. Step 2: Convert to fraction form
    17,961.12/26,941.68 = 4,813.56/x
  3. Step 3: Cross multiply
    17,961.12x = 26,941.68 × 4,813.56
  4. Step 4: Simplify right side
    17,961.12x = 129,685,393.18
  5. Step 5: Solve for x
    x = 129,685,393.18/17,961.12
  6. Step 6: Final answer
    x = 7,220.34

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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.