Home / 10,857.74-14,982.96-6,076.88

Finding the Fourth Proportional to 10,857.74, 14,982.96 and 6,076.88

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Solution

The fourth proportional to 10,857.74, 14,982.96 and 6,076.88 is: 8,385.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,857.74 : 14,982.96 = 6,076.88 : x
  2. Step 2: Convert to fraction form
    10,857.74/14,982.96 = 6,076.88/x
  3. Step 3: Cross multiply
    10,857.74x = 14,982.96 × 6,076.88
  4. Step 4: Simplify right side
    10,857.74x = 91,049,649.96
  5. Step 5: Solve for x
    x = 91,049,649.96/10,857.74
  6. Step 6: Final answer
    x = 8,385.69

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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.