Home / 11,925.37-16,456.18-6,619.77

Finding the Fourth Proportional to 11,925.37, 16,456.18 and 6,619.77

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Solution

The fourth proportional to 11,925.37, 16,456.18 and 6,619.77 is: 9,134.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925.37 : 16,456.18 = 6,619.77 : x
  2. Step 2: Convert to fraction form
    11,925.37/16,456.18 = 6,619.77/x
  3. Step 3: Cross multiply
    11,925.37x = 16,456.18 × 6,619.77
  4. Step 4: Simplify right side
    11,925.37x = 108,936,126.68
  5. Step 5: Solve for x
    x = 108,936,126.68/11,925.37
  6. Step 6: Final answer
    x = 9,134.82

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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.