Home / 8,013.82-11,999.70-5,661.10

Finding the Fourth Proportional to 8,013.82, 11,999.70 and 5,661.10

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Solution

The fourth proportional to 8,013.82, 11,999.70 and 5,661.10 is: 8,476.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013.82 : 11,999.70 = 5,661.10 : x
  2. Step 2: Convert to fraction form
    8,013.82/11,999.70 = 5,661.10/x
  3. Step 3: Cross multiply
    8,013.82x = 11,999.70 × 5,661.10
  4. Step 4: Simplify right side
    8,013.82x = 67,931,501.67
  5. Step 5: Solve for x
    x = 67,931,501.67/8,013.82
  6. Step 6: Final answer
    x = 8,476.79

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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.