Home / 11,168.60-16,765.70-6,554.20

Finding the Fourth Proportional to 11,168.60, 16,765.70 and 6,554.20

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Solution

The fourth proportional to 11,168.60, 16,765.70 and 6,554.20 is: 9,838.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168.60 : 16,765.70 = 6,554.20 : x
  2. Step 2: Convert to fraction form
    11,168.60/16,765.70 = 6,554.20/x
  3. Step 3: Cross multiply
    11,168.60x = 16,765.70 × 6,554.20
  4. Step 4: Simplify right side
    11,168.60x = 109,885,750.94
  5. Step 5: Solve for x
    x = 109,885,750.94/11,168.60
  6. Step 6: Final answer
    x = 9,838.81

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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.