Home / 11,309.22-16,964.24-2,989.31

Finding the Fourth Proportional to 11,309.22, 16,964.24 and 2,989.31

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Solution

The fourth proportional to 11,309.22, 16,964.24 and 2,989.31 is: 4,484.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.22 : 16,964.24 = 2,989.31 : x
  2. Step 2: Convert to fraction form
    11,309.22/16,964.24 = 2,989.31/x
  3. Step 3: Cross multiply
    11,309.22x = 16,964.24 × 2,989.31
  4. Step 4: Simplify right side
    11,309.22x = 50,711,272.51
  5. Step 5: Solve for x
    x = 50,711,272.51/11,309.22
  6. Step 6: Final answer
    x = 4,484.06

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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.