Home / 13,454.35-20,181.08-7,226.52

Finding the Fourth Proportional to 13,454.35, 20,181.08 and 7,226.52

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Solution

The fourth proportional to 13,454.35, 20,181.08 and 7,226.52 is: 10,839.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,454.35 : 20,181.08 = 7,226.52 : x
  2. Step 2: Convert to fraction form
    13,454.35/20,181.08 = 7,226.52/x
  3. Step 3: Cross multiply
    13,454.35x = 20,181.08 × 7,226.52
  4. Step 4: Simplify right side
    13,454.35x = 145,838,942.11
  5. Step 5: Solve for x
    x = 145,838,942.11/13,454.35
  6. Step 6: Final answer
    x = 10,839.54

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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.