Home / 11,320.70-16,981.07-3,925.17

Finding the Fourth Proportional to 11,320.70, 16,981.07 and 3,925.17

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Solution

The fourth proportional to 11,320.70, 16,981.07 and 3,925.17 is: 5,887.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,320.70 : 16,981.07 = 3,925.17 : x
  2. Step 2: Convert to fraction form
    11,320.70/16,981.07 = 3,925.17/x
  3. Step 3: Cross multiply
    11,320.70x = 16,981.07 × 3,925.17
  4. Step 4: Simplify right side
    11,320.70x = 66,653,566.91
  5. Step 5: Solve for x
    x = 66,653,566.91/11,320.70
  6. Step 6: Final answer
    x = 5,887.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.