Home / 9,917.76-13,687.58-6,335.99

Finding the Fourth Proportional to 9,917.76, 13,687.58 and 6,335.99

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Solution

The fourth proportional to 9,917.76, 13,687.58 and 6,335.99 is: 8,744.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,917.76 : 13,687.58 = 6,335.99 : x
  2. Step 2: Convert to fraction form
    9,917.76/13,687.58 = 6,335.99/x
  3. Step 3: Cross multiply
    9,917.76x = 13,687.58 × 6,335.99
  4. Step 4: Simplify right side
    9,917.76x = 86,724,368.73
  5. Step 5: Solve for x
    x = 86,724,368.73/9,917.76
  6. Step 6: Final answer
    x = 8,744.35

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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.