Home / 19,656.34-29,498.22-8,557.31

Finding the Fourth Proportional to 19,656.34, 29,498.22 and 8,557.31

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Solution

The fourth proportional to 19,656.34, 29,498.22 and 8,557.31 is: 12,841.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,656.34 : 29,498.22 = 8,557.31 : x
  2. Step 2: Convert to fraction form
    19,656.34/29,498.22 = 8,557.31/x
  3. Step 3: Cross multiply
    19,656.34x = 29,498.22 × 8,557.31
  4. Step 4: Simplify right side
    19,656.34x = 252,425,486.73
  5. Step 5: Solve for x
    x = 252,425,486.73/19,656.34
  6. Step 6: Final answer
    x = 12,841.94

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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.