Home / 10,809.80-16,214.76-3,018.68

Finding the Fourth Proportional to 10,809.80, 16,214.76 and 3,018.68

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Solution

The fourth proportional to 10,809.80, 16,214.76 and 3,018.68 is: 4,528.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809.80 : 16,214.76 = 3,018.68 : x
  2. Step 2: Convert to fraction form
    10,809.80/16,214.76 = 3,018.68/x
  3. Step 3: Cross multiply
    10,809.80x = 16,214.76 × 3,018.68
  4. Step 4: Simplify right side
    10,809.80x = 48,947,171.72
  5. Step 5: Solve for x
    x = 48,947,171.72/10,809.80
  6. Step 6: Final answer
    x = 4,528.04

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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.