Home / 15,964.36-22,029.24-8,891.44

Finding the Fourth Proportional to 15,964.36, 22,029.24 and 8,891.44

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Solution

The fourth proportional to 15,964.36, 22,029.24 and 8,891.44 is: 12,269.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,964.36 : 22,029.24 = 8,891.44 : x
  2. Step 2: Convert to fraction form
    15,964.36/22,029.24 = 8,891.44/x
  3. Step 3: Cross multiply
    15,964.36x = 22,029.24 × 8,891.44
  4. Step 4: Simplify right side
    15,964.36x = 195,871,665.71
  5. Step 5: Solve for x
    x = 195,871,665.71/15,964.36
  6. Step 6: Final answer
    x = 12,269.31

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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.