Home / 12,044.64-16,621.62-6,739.56

Finding the Fourth Proportional to 12,044.64, 16,621.62 and 6,739.56

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Solution

The fourth proportional to 12,044.64, 16,621.62 and 6,739.56 is: 9,300.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,044.64 : 16,621.62 = 6,739.56 : x
  2. Step 2: Convert to fraction form
    12,044.64/16,621.62 = 6,739.56/x
  3. Step 3: Cross multiply
    12,044.64x = 16,621.62 × 6,739.56
  4. Step 4: Simplify right side
    12,044.64x = 112,022,405.29
  5. Step 5: Solve for x
    x = 112,022,405.29/12,044.64
  6. Step 6: Final answer
    x = 9,300.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.