Home / 13,654.43-20,483.09-4,294.74

Finding the Fourth Proportional to 13,654.43, 20,483.09 and 4,294.74

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Solution

The fourth proportional to 13,654.43, 20,483.09 and 4,294.74 is: 6,442.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,654.43 : 20,483.09 = 4,294.74 : x
  2. Step 2: Convert to fraction form
    13,654.43/20,483.09 = 4,294.74/x
  3. Step 3: Cross multiply
    13,654.43x = 20,483.09 × 4,294.74
  4. Step 4: Simplify right side
    13,654.43x = 87,969,545.95
  5. Step 5: Solve for x
    x = 87,969,545.95/13,654.43
  6. Step 6: Final answer
    x = 6,442.56

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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.