Home / 9,939.32-14,910.84-4,092.76

Finding the Fourth Proportional to 9,939.32, 14,910.84 and 4,092.76

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Solution

The fourth proportional to 9,939.32, 14,910.84 and 4,092.76 is: 6,139.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.32 : 14,910.84 = 4,092.76 : x
  2. Step 2: Convert to fraction form
    9,939.32/14,910.84 = 4,092.76/x
  3. Step 3: Cross multiply
    9,939.32x = 14,910.84 × 4,092.76
  4. Step 4: Simplify right side
    9,939.32x = 61,026,489.52
  5. Step 5: Solve for x
    x = 61,026,489.52/9,939.32
  6. Step 6: Final answer
    x = 6,139.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.