Home / 19,424.13-29,137.67-5,384

Finding the Fourth Proportional to 19,424.13, 29,137.67 and 5,384

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Solution

The fourth proportional to 19,424.13, 29,137.67 and 5,384 is: 8,076.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,424.13 : 29,137.67 = 5,384 : x
  2. Step 2: Convert to fraction form
    19,424.13/29,137.67 = 5,384/x
  3. Step 3: Cross multiply
    19,424.13x = 29,137.67 × 5,384
  4. Step 4: Simplify right side
    19,424.13x = 156,877,215.28
  5. Step 5: Solve for x
    x = 156,877,215.28/19,424.13
  6. Step 6: Final answer
    x = 8,076.41

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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.