Home / 13,559.42-20,331.24-4,196.90

Finding the Fourth Proportional to 13,559.42, 20,331.24 and 4,196.90

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Solution

The fourth proportional to 13,559.42, 20,331.24 and 4,196.90 is: 6,292.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,559.42 : 20,331.24 = 4,196.90 : x
  2. Step 2: Convert to fraction form
    13,559.42/20,331.24 = 4,196.90/x
  3. Step 3: Cross multiply
    13,559.42x = 20,331.24 × 4,196.90
  4. Step 4: Simplify right side
    13,559.42x = 85,328,181.16
  5. Step 5: Solve for x
    x = 85,328,181.16/13,559.42
  6. Step 6: Final answer
    x = 6,292.91

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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.