Home / 10,809.78-16,214.97-3,018.59

Finding the Fourth Proportional to 10,809.78, 16,214.97 and 3,018.59

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Solution

The fourth proportional to 10,809.78, 16,214.97 and 3,018.59 is: 4,527.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809.78 : 16,214.97 = 3,018.59 : x
  2. Step 2: Convert to fraction form
    10,809.78/16,214.97 = 3,018.59/x
  3. Step 3: Cross multiply
    10,809.78x = 16,214.97 × 3,018.59
  4. Step 4: Simplify right side
    10,809.78x = 48,946,265.22
  5. Step 5: Solve for x
    x = 48,946,265.22/10,809.78
  6. Step 6: Final answer
    x = 4,527.96

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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.