Home / 19,367.91-29,048.36-5,326.11

Finding the Fourth Proportional to 19,367.91, 29,048.36 and 5,326.11

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Solution

The fourth proportional to 19,367.91, 29,048.36 and 5,326.11 is: 7,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,367.91 : 29,048.36 = 5,326.11 : x
  2. Step 2: Convert to fraction form
    19,367.91/29,048.36 = 5,326.11/x
  3. Step 3: Cross multiply
    19,367.91x = 29,048.36 × 5,326.11
  4. Step 4: Simplify right side
    19,367.91x = 154,714,760.68
  5. Step 5: Solve for x
    x = 154,714,760.68/19,367.91
  6. Step 6: Final answer
    x = 7,988.20

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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.