Home / 13,247.43-19,866.76-5,347.91

Finding the Fourth Proportional to 13,247.43, 19,866.76 and 5,347.91

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Solution

The fourth proportional to 13,247.43, 19,866.76 and 5,347.91 is: 8,020.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247.43 : 19,866.76 = 5,347.91 : x
  2. Step 2: Convert to fraction form
    13,247.43/19,866.76 = 5,347.91/x
  3. Step 3: Cross multiply
    13,247.43x = 19,866.76 × 5,347.91
  4. Step 4: Simplify right side
    13,247.43x = 106,245,531.77
  5. Step 5: Solve for x
    x = 106,245,531.77/13,247.43
  6. Step 6: Final answer
    x = 8,020.09

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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.