Home / 16,767.36-23,149.78-10,400.72

Finding the Fourth Proportional to 16,767.36, 23,149.78 and 10,400.72

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Solution

The fourth proportional to 16,767.36, 23,149.78 and 10,400.72 is: 14,359.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,767.36 : 23,149.78 = 10,400.72 : x
  2. Step 2: Convert to fraction form
    16,767.36/23,149.78 = 10,400.72/x
  3. Step 3: Cross multiply
    16,767.36x = 23,149.78 × 10,400.72
  4. Step 4: Simplify right side
    16,767.36x = 240,774,379.84
  5. Step 5: Solve for x
    x = 240,774,379.84/16,767.36
  6. Step 6: Final answer
    x = 14,359.71

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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.