Home / 9,997.06-15,005.70-5,845

Finding the Fourth Proportional to 9,997.06, 15,005.70 and 5,845

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Solution

The fourth proportional to 9,997.06, 15,005.70 and 5,845 is: 8,773.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,997.06 : 15,005.70 = 5,845 : x
  2. Step 2: Convert to fraction form
    9,997.06/15,005.70 = 5,845/x
  3. Step 3: Cross multiply
    9,997.06x = 15,005.70 × 5,845
  4. Step 4: Simplify right side
    9,997.06x = 87,708,316.50
  5. Step 5: Solve for x
    x = 87,708,316.50/9,997.06
  6. Step 6: Final answer
    x = 8,773.41

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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.