Home / 12,493.79-18,740.68-5,101.73

Finding the Fourth Proportional to 12,493.79, 18,740.68 and 5,101.73

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Solution

The fourth proportional to 12,493.79, 18,740.68 and 5,101.73 is: 7,652.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,493.79 : 18,740.68 = 5,101.73 : x
  2. Step 2: Convert to fraction form
    12,493.79/18,740.68 = 5,101.73/x
  3. Step 3: Cross multiply
    12,493.79x = 18,740.68 × 5,101.73
  4. Step 4: Simplify right side
    12,493.79x = 95,609,795.67
  5. Step 5: Solve for x
    x = 95,609,795.67/12,493.79
  6. Step 6: Final answer
    x = 7,652.59

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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.