Home / 13,340.43-20,011.05-5,549.85

Finding the Fourth Proportional to 13,340.43, 20,011.05 and 5,549.85

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Solution

The fourth proportional to 13,340.43, 20,011.05 and 5,549.85 is: 8,324.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,340.43 : 20,011.05 = 5,549.85 : x
  2. Step 2: Convert to fraction form
    13,340.43/20,011.05 = 5,549.85/x
  3. Step 3: Cross multiply
    13,340.43x = 20,011.05 × 5,549.85
  4. Step 4: Simplify right side
    13,340.43x = 111,058,325.84
  5. Step 5: Solve for x
    x = 111,058,325.84/13,340.43
  6. Step 6: Final answer
    x = 8,324.94

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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.