Home / 11,230.20-16,840.37-4,205.29

Finding the Fourth Proportional to 11,230.20, 16,840.37 and 4,205.29

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Solution

The fourth proportional to 11,230.20, 16,840.37 and 4,205.29 is: 6,306.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,230.20 : 16,840.37 = 4,205.29 : x
  2. Step 2: Convert to fraction form
    11,230.20/16,840.37 = 4,205.29/x
  3. Step 3: Cross multiply
    11,230.20x = 16,840.37 × 4,205.29
  4. Step 4: Simplify right side
    11,230.20x = 70,818,534.33
  5. Step 5: Solve for x
    x = 70,818,534.33/11,230.20
  6. Step 6: Final answer
    x = 6,306.08

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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.