Home / 13,954.14-19,243.48-9,165.66

Finding the Fourth Proportional to 13,954.14, 19,243.48 and 9,165.66

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Solution

The fourth proportional to 13,954.14, 19,243.48 and 9,165.66 is: 12,639.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954.14 : 19,243.48 = 9,165.66 : x
  2. Step 2: Convert to fraction form
    13,954.14/19,243.48 = 9,165.66/x
  3. Step 3: Cross multiply
    13,954.14x = 19,243.48 × 9,165.66
  4. Step 4: Simplify right side
    13,954.14x = 176,379,194.90
  5. Step 5: Solve for x
    x = 176,379,194.90/13,954.14
  6. Step 6: Final answer
    x = 12,639.92

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1.5x scale

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.