Home / 11,722.10-17,570.85-4,321.85

Finding the Fourth Proportional to 11,722.10, 17,570.85 and 4,321.85

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Solution

The fourth proportional to 11,722.10, 17,570.85 and 4,321.85 is: 6,478.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,722.10 : 17,570.85 = 4,321.85 : x
  2. Step 2: Convert to fraction form
    11,722.10/17,570.85 = 4,321.85/x
  3. Step 3: Cross multiply
    11,722.10x = 17,570.85 × 4,321.85
  4. Step 4: Simplify right side
    11,722.10x = 75,938,490.22
  5. Step 5: Solve for x
    x = 75,938,490.22/11,722.10
  6. Step 6: Final answer
    x = 6,478.24

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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.