Home / 11,885.79-17,818.66-7,493.56

Finding the Fourth Proportional to 11,885.79, 17,818.66 and 7,493.56

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Solution

The fourth proportional to 11,885.79, 17,818.66 and 7,493.56 is: 11,234.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,885.79 : 17,818.66 = 7,493.56 : x
  2. Step 2: Convert to fraction form
    11,885.79/17,818.66 = 7,493.56/x
  3. Step 3: Cross multiply
    11,885.79x = 17,818.66 × 7,493.56
  4. Step 4: Simplify right side
    11,885.79x = 133,525,197.83
  5. Step 5: Solve for x
    x = 133,525,197.83/11,885.79
  6. Step 6: Final answer
    x = 11,234.02

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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.