Home / 11,818.61-17,711.19-6,555.93

Finding the Fourth Proportional to 11,818.61, 17,711.19 and 6,555.93

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Solution

The fourth proportional to 11,818.61, 17,711.19 and 6,555.93 is: 9,824.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.61 : 17,711.19 = 6,555.93 : x
  2. Step 2: Convert to fraction form
    11,818.61/17,711.19 = 6,555.93/x
  3. Step 3: Cross multiply
    11,818.61x = 17,711.19 × 6,555.93
  4. Step 4: Simplify right side
    11,818.61x = 116,113,321.86
  5. Step 5: Solve for x
    x = 116,113,321.86/11,818.61
  6. Step 6: Final answer
    x = 9,824.62

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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.