Home / 10,781.60-16,138.94-5,838.98

Finding the Fourth Proportional to 10,781.60, 16,138.94 and 5,838.98

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Solution

The fourth proportional to 10,781.60, 16,138.94 and 5,838.98 is: 8,740.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781.60 : 16,138.94 = 5,838.98 : x
  2. Step 2: Convert to fraction form
    10,781.60/16,138.94 = 5,838.98/x
  3. Step 3: Cross multiply
    10,781.60x = 16,138.94 × 5,838.98
  4. Step 4: Simplify right side
    10,781.60x = 94,234,837.99
  5. Step 5: Solve for x
    x = 94,234,837.99/10,781.60
  6. Step 6: Final answer
    x = 8,740.34

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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.