Home / 13,151.76-19,717.20-6,574.56

Finding the Fourth Proportional to 13,151.76, 19,717.20 and 6,574.56

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Solution

The fourth proportional to 13,151.76, 19,717.20 and 6,574.56 is: 9,856.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,151.76 : 19,717.20 = 6,574.56 : x
  2. Step 2: Convert to fraction form
    13,151.76/19,717.20 = 6,574.56/x
  3. Step 3: Cross multiply
    13,151.76x = 19,717.20 × 6,574.56
  4. Step 4: Simplify right side
    13,151.76x = 129,631,914.43
  5. Step 5: Solve for x
    x = 129,631,914.43/13,151.76
  6. Step 6: Final answer
    x = 9,856.62

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Why These Related Problems?

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