Home / 10,818.43-14,930.13-6,102.61

Finding the Fourth Proportional to 10,818.43, 14,930.13 and 6,102.61

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Solution

The fourth proportional to 10,818.43, 14,930.13 and 6,102.61 is: 8,421.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,818.43 : 14,930.13 = 6,102.61 : x
  2. Step 2: Convert to fraction form
    10,818.43/14,930.13 = 6,102.61/x
  3. Step 3: Cross multiply
    10,818.43x = 14,930.13 × 6,102.61
  4. Step 4: Simplify right side
    10,818.43x = 91,112,760.64
  5. Step 5: Solve for x
    x = 91,112,760.64/10,818.43
  6. Step 6: Final answer
    x = 8,421.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.