Home / 16,758.54-23,137.62-10,391.90

Finding the Fourth Proportional to 16,758.54, 23,137.62 and 10,391.90

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Solution

The fourth proportional to 16,758.54, 23,137.62 and 10,391.90 is: 14,347.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,758.54 : 23,137.62 = 10,391.90 : x
  2. Step 2: Convert to fraction form
    16,758.54/23,137.62 = 10,391.90/x
  3. Step 3: Cross multiply
    16,758.54x = 23,137.62 × 10,391.90
  4. Step 4: Simplify right side
    16,758.54x = 240,443,833.28
  5. Step 5: Solve for x
    x = 240,443,833.28/16,758.54
  6. Step 6: Final answer
    x = 14,347.54

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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.