Home / 13,225.91-19,836.57-3,738.87

Finding the Fourth Proportional to 13,225.91, 19,836.57 and 3,738.87

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Solution

The fourth proportional to 13,225.91, 19,836.57 and 3,738.87 is: 5,607.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,225.91 : 19,836.57 = 3,738.87 : x
  2. Step 2: Convert to fraction form
    13,225.91/19,836.57 = 3,738.87/x
  3. Step 3: Cross multiply
    13,225.91x = 19,836.57 × 3,738.87
  4. Step 4: Simplify right side
    13,225.91x = 74,166,356.48
  5. Step 5: Solve for x
    x = 74,166,356.48/13,225.91
  6. Step 6: Final answer
    x = 5,607.66

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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.