Home / 11,271.12-16,910.40-5,035.44

Finding the Fourth Proportional to 11,271.12, 16,910.40 and 5,035.44

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Solution

The fourth proportional to 11,271.12, 16,910.40 and 5,035.44 is: 7,554.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,271.12 : 16,910.40 = 5,035.44 : x
  2. Step 2: Convert to fraction form
    11,271.12/16,910.40 = 5,035.44/x
  3. Step 3: Cross multiply
    11,271.12x = 16,910.40 × 5,035.44
  4. Step 4: Simplify right side
    11,271.12x = 85,151,304.58
  5. Step 5: Solve for x
    x = 85,151,304.58/11,271.12
  6. Step 6: Final answer
    x = 7,554.82

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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.