Home / 36,149.40-54,219.10-11,206.60

Finding the Fourth Proportional to 36,149.40, 54,219.10 and 11,206.60

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Solution

The fourth proportional to 36,149.40, 54,219.10 and 11,206.60 is: 16,808.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,149.40 : 54,219.10 = 11,206.60 : x
  2. Step 2: Convert to fraction form
    36,149.40/54,219.10 = 11,206.60/x
  3. Step 3: Cross multiply
    36,149.40x = 54,219.10 × 11,206.60
  4. Step 4: Simplify right side
    36,149.40x = 607,611,766.06
  5. Step 5: Solve for x
    x = 607,611,766.06/36,149.40
  6. Step 6: Final answer
    x = 16,808.35

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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.