Home / 10,898.29-16,326.80-6,442.61

Finding the Fourth Proportional to 10,898.29, 16,326.80 and 6,442.61

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Solution

The fourth proportional to 10,898.29, 16,326.80 and 6,442.61 is: 9,651.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,898.29 : 16,326.80 = 6,442.61 : x
  2. Step 2: Convert to fraction form
    10,898.29/16,326.80 = 6,442.61/x
  3. Step 3: Cross multiply
    10,898.29x = 16,326.80 × 6,442.61
  4. Step 4: Simplify right side
    10,898.29x = 105,187,172.73
  5. Step 5: Solve for x
    x = 105,187,172.73/10,898.29
  6. Step 6: Final answer
    x = 9,651.72

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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.