Home / 13,579.22-20,377.74-9,351.56

Finding the Fourth Proportional to 13,579.22, 20,377.74 and 9,351.56

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Solution

The fourth proportional to 13,579.22, 20,377.74 and 9,351.56 is: 14,033.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,579.22 : 20,377.74 = 9,351.56 : x
  2. Step 2: Convert to fraction form
    13,579.22/20,377.74 = 9,351.56/x
  3. Step 3: Cross multiply
    13,579.22x = 20,377.74 × 9,351.56
  4. Step 4: Simplify right side
    13,579.22x = 190,563,658.27
  5. Step 5: Solve for x
    x = 190,563,658.27/13,579.22
  6. Step 6: Final answer
    x = 14,033.48

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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.