Home / 19,458.52-29,174.45-6,978.28

Finding the Fourth Proportional to 19,458.52, 29,174.45 and 6,978.28

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Solution

The fourth proportional to 19,458.52, 29,174.45 and 6,978.28 is: 10,462.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,458.52 : 29,174.45 = 6,978.28 : x
  2. Step 2: Convert to fraction form
    19,458.52/29,174.45 = 6,978.28/x
  3. Step 3: Cross multiply
    19,458.52x = 29,174.45 × 6,978.28
  4. Step 4: Simplify right side
    19,458.52x = 203,587,498.39
  5. Step 5: Solve for x
    x = 203,587,498.39/19,458.52
  6. Step 6: Final answer
    x = 10,462.64

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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.