Home / 13,837.60-20,705.22-8,294.80

Finding the Fourth Proportional to 13,837.60, 20,705.22 and 8,294.80

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Solution

The fourth proportional to 13,837.60, 20,705.22 and 8,294.80 is: 12,411.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.60 : 20,705.22 = 8,294.80 : x
  2. Step 2: Convert to fraction form
    13,837.60/20,705.22 = 8,294.80/x
  3. Step 3: Cross multiply
    13,837.60x = 20,705.22 × 8,294.80
  4. Step 4: Simplify right side
    13,837.60x = 171,745,658.86
  5. Step 5: Solve for x
    x = 171,745,658.86/13,837.60
  6. Step 6: Final answer
    x = 12,411.52

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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.