Home / 13,559.25-20,369.99-9,620.22

Finding the Fourth Proportional to 13,559.25, 20,369.99 and 9,620.22

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Solution

The fourth proportional to 13,559.25, 20,369.99 and 9,620.22 is: 14,452.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,559.25 : 20,369.99 = 9,620.22 : x
  2. Step 2: Convert to fraction form
    13,559.25/20,369.99 = 9,620.22/x
  3. Step 3: Cross multiply
    13,559.25x = 20,369.99 × 9,620.22
  4. Step 4: Simplify right side
    13,559.25x = 195,963,785.20
  5. Step 5: Solve for x
    x = 195,963,785.20/13,559.25
  6. Step 6: Final answer
    x = 14,452.41

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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.