Home / 10,917.00-15,065.52-6,379.95

Finding the Fourth Proportional to 10,917.00, 15,065.52 and 6,379.95

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Solution

The fourth proportional to 10,917.00, 15,065.52 and 6,379.95 is: 8,804.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917.00 : 15,065.52 = 6,379.95 : x
  2. Step 2: Convert to fraction form
    10,917.00/15,065.52 = 6,379.95/x
  3. Step 3: Cross multiply
    10,917.00x = 15,065.52 × 6,379.95
  4. Step 4: Simplify right side
    10,917.00x = 96,117,230.09
  5. Step 5: Solve for x
    x = 96,117,230.09/10,917.00
  6. Step 6: Final answer
    x = 8,804.36

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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.