Home / 13,364.20-20,030.10-5,960.80

Finding the Fourth Proportional to 13,364.20, 20,030.10 and 5,960.80

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Solution

The fourth proportional to 13,364.20, 20,030.10 and 5,960.80 is: 8,933.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.20 : 20,030.10 = 5,960.80 : x
  2. Step 2: Convert to fraction form
    13,364.20/20,030.10 = 5,960.80/x
  3. Step 3: Cross multiply
    13,364.20x = 20,030.10 × 5,960.80
  4. Step 4: Simplify right side
    13,364.20x = 119,395,420.08
  5. Step 5: Solve for x
    x = 119,395,420.08/13,364.20
  6. Step 6: Final answer
    x = 8,933.97

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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.