Home / 10,166.60-15,248.35-2,771.66

Finding the Fourth Proportional to 10,166.60, 15,248.35 and 2,771.66

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Solution

The fourth proportional to 10,166.60, 15,248.35 and 2,771.66 is: 4,157.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,166.60 : 15,248.35 = 2,771.66 : x
  2. Step 2: Convert to fraction form
    10,166.60/15,248.35 = 2,771.66/x
  3. Step 3: Cross multiply
    10,166.60x = 15,248.35 × 2,771.66
  4. Step 4: Simplify right side
    10,166.60x = 42,263,241.76
  5. Step 5: Solve for x
    x = 42,263,241.76/10,166.60
  6. Step 6: Final answer
    x = 4,157.07

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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.