Home / 13,844.66-20,777.92-6,445.31

Finding the Fourth Proportional to 13,844.66, 20,777.92 and 6,445.31

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Solution

The fourth proportional to 13,844.66, 20,777.92 and 6,445.31 is: 9,673.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.66 : 20,777.92 = 6,445.31 : x
  2. Step 2: Convert to fraction form
    13,844.66/20,777.92 = 6,445.31/x
  3. Step 3: Cross multiply
    13,844.66x = 20,777.92 × 6,445.31
  4. Step 4: Simplify right side
    13,844.66x = 133,920,015.55
  5. Step 5: Solve for x
    x = 133,920,015.55/13,844.66
  6. Step 6: Final answer
    x = 9,673.05

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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.