Home / 19,815.08-29,726.49-7,335.20

Finding the Fourth Proportional to 19,815.08, 29,726.49 and 7,335.20

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Solution

The fourth proportional to 19,815.08, 29,726.49 and 7,335.20 is: 11,004.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,815.08 : 29,726.49 = 7,335.20 : x
  2. Step 2: Convert to fraction form
    19,815.08/29,726.49 = 7,335.20/x
  3. Step 3: Cross multiply
    19,815.08x = 29,726.49 × 7,335.20
  4. Step 4: Simplify right side
    19,815.08x = 218,049,600.82
  5. Step 5: Solve for x
    x = 218,049,600.82/19,815.08
  6. Step 6: Final answer
    x = 11,004.23

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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.