Home / 10,367.76-14,307.66-6,386.61

Finding the Fourth Proportional to 10,367.76, 14,307.66 and 6,386.61

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Solution

The fourth proportional to 10,367.76, 14,307.66 and 6,386.61 is: 8,813.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.76 : 14,307.66 = 6,386.61 : x
  2. Step 2: Convert to fraction form
    10,367.76/14,307.66 = 6,386.61/x
  3. Step 3: Cross multiply
    10,367.76x = 14,307.66 × 6,386.61
  4. Step 4: Simplify right side
    10,367.76x = 91,377,444.43
  5. Step 5: Solve for x
    x = 91,377,444.43/10,367.76
  6. Step 6: Final answer
    x = 8,813.61

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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.