Home / 13,654.22-20,498.62-8,376.26

Finding the Fourth Proportional to 13,654.22, 20,498.62 and 8,376.26

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Solution

The fourth proportional to 13,654.22, 20,498.62 and 8,376.26 is: 12,575.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,654.22 : 20,498.62 = 8,376.26 : x
  2. Step 2: Convert to fraction form
    13,654.22/20,498.62 = 8,376.26/x
  3. Step 3: Cross multiply
    13,654.22x = 20,498.62 × 8,376.26
  4. Step 4: Simplify right side
    13,654.22x = 171,701,770.76
  5. Step 5: Solve for x
    x = 171,701,770.76/13,654.22
  6. Step 6: Final answer
    x = 12,575.00

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1.5x scale

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.