Home / 16,695.87-23,039.81-9,141.91

Finding the Fourth Proportional to 16,695.87, 23,039.81 and 9,141.91

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Solution

The fourth proportional to 16,695.87, 23,039.81 and 9,141.91 is: 12,615.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,695.87 : 23,039.81 = 9,141.91 : x
  2. Step 2: Convert to fraction form
    16,695.87/23,039.81 = 9,141.91/x
  3. Step 3: Cross multiply
    16,695.87x = 23,039.81 × 9,141.91
  4. Step 4: Simplify right side
    16,695.87x = 210,627,766.13
  5. Step 5: Solve for x
    x = 210,627,766.13/16,695.87
  6. Step 6: Final answer
    x = 12,615.56

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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.