Home / 12,142.32-16,758.54-11,588.28

Finding the Fourth Proportional to 12,142.32, 16,758.54 and 11,588.28

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Solution

The fourth proportional to 12,142.32, 16,758.54 and 11,588.28 is: 15,993.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,142.32 : 16,758.54 = 11,588.28 : x
  2. Step 2: Convert to fraction form
    12,142.32/16,758.54 = 11,588.28/x
  3. Step 3: Cross multiply
    12,142.32x = 16,758.54 × 11,588.28
  4. Step 4: Simplify right side
    12,142.32x = 194,202,653.91
  5. Step 5: Solve for x
    x = 194,202,653.91/12,142.32
  6. Step 6: Final answer
    x = 15,993.87

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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.