Home / 10,739.16-16,084.98-8,255.70

Finding the Fourth Proportional to 10,739.16, 16,084.98 and 8,255.70

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Solution

The fourth proportional to 10,739.16, 16,084.98 and 8,255.70 is: 12,365.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,739.16 : 16,084.98 = 8,255.70 : x
  2. Step 2: Convert to fraction form
    10,739.16/16,084.98 = 8,255.70/x
  3. Step 3: Cross multiply
    10,739.16x = 16,084.98 × 8,255.70
  4. Step 4: Simplify right side
    10,739.16x = 132,792,769.39
  5. Step 5: Solve for x
    x = 132,792,769.39/10,739.16
  6. Step 6: Final answer
    x = 12,365.28

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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.