Home / 13,340.42-20,029.15-6,771.32

Finding the Fourth Proportional to 13,340.42, 20,029.15 and 6,771.32

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Solution

The fourth proportional to 13,340.42, 20,029.15 and 6,771.32 is: 10,166.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,340.42 : 20,029.15 = 6,771.32 : x
  2. Step 2: Convert to fraction form
    13,340.42/20,029.15 = 6,771.32/x
  3. Step 3: Cross multiply
    13,340.42x = 20,029.15 × 6,771.32
  4. Step 4: Simplify right side
    13,340.42x = 135,623,683.83
  5. Step 5: Solve for x
    x = 135,623,683.83/13,340.42
  6. Step 6: Final answer
    x = 10,166.38

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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.