Home / 11,770.17-17,654.43-5,521.44

Finding the Fourth Proportional to 11,770.17, 17,654.43 and 5,521.44

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Solution

The fourth proportional to 11,770.17, 17,654.43 and 5,521.44 is: 8,281.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,770.17 : 17,654.43 = 5,521.44 : x
  2. Step 2: Convert to fraction form
    11,770.17/17,654.43 = 5,521.44/x
  3. Step 3: Cross multiply
    11,770.17x = 17,654.43 × 5,521.44
  4. Step 4: Simplify right side
    11,770.17x = 97,477,875.98
  5. Step 5: Solve for x
    x = 97,477,875.98/11,770.17
  6. Step 6: Final answer
    x = 8,281.77

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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.