Home / 8,861.06-12,223.77-6,761.54

Finding the Fourth Proportional to 8,861.06, 12,223.77 and 6,761.54

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Solution

The fourth proportional to 8,861.06, 12,223.77 and 6,761.54 is: 9,327.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.06 : 12,223.77 = 6,761.54 : x
  2. Step 2: Convert to fraction form
    8,861.06/12,223.77 = 6,761.54/x
  3. Step 3: Cross multiply
    8,861.06x = 12,223.77 × 6,761.54
  4. Step 4: Simplify right side
    8,861.06x = 82,651,509.81
  5. Step 5: Solve for x
    x = 82,651,509.81/8,861.06
  6. Step 6: Final answer
    x = 9,327.50

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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.