Home / 13,733.28-18,954.66-7,764.96

Finding the Fourth Proportional to 13,733.28, 18,954.66 and 7,764.96

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Solution

The fourth proportional to 13,733.28, 18,954.66 and 7,764.96 is: 10,717.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733.28 : 18,954.66 = 7,764.96 : x
  2. Step 2: Convert to fraction form
    13,733.28/18,954.66 = 7,764.96/x
  3. Step 3: Cross multiply
    13,733.28x = 18,954.66 × 7,764.96
  4. Step 4: Simplify right side
    13,733.28x = 147,182,176.71
  5. Step 5: Solve for x
    x = 147,182,176.71/13,733.28
  6. Step 6: Final answer
    x = 10,717.19

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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.