Home / 12,393.12-16,997.64-10,993.44

Finding the Fourth Proportional to 12,393.12, 16,997.64 and 10,993.44

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Solution

The fourth proportional to 12,393.12, 16,997.64 and 10,993.44 is: 15,077.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393.12 : 16,997.64 = 10,993.44 : x
  2. Step 2: Convert to fraction form
    12,393.12/16,997.64 = 10,993.44/x
  3. Step 3: Cross multiply
    12,393.12x = 16,997.64 × 10,993.44
  4. Step 4: Simplify right side
    12,393.12x = 186,862,535.48
  5. Step 5: Solve for x
    x = 186,862,535.48/12,393.12
  6. Step 6: Final answer
    x = 15,077.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.