Home / 9,943.28-13,705.76-6,755.60

Finding the Fourth Proportional to 9,943.28, 13,705.76 and 6,755.60

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Solution

The fourth proportional to 9,943.28, 13,705.76 and 6,755.60 is: 9,311.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,943.28 : 13,705.76 = 6,755.60 : x
  2. Step 2: Convert to fraction form
    9,943.28/13,705.76 = 6,755.60/x
  3. Step 3: Cross multiply
    9,943.28x = 13,705.76 × 6,755.60
  4. Step 4: Simplify right side
    9,943.28x = 92,590,632.26
  5. Step 5: Solve for x
    x = 92,590,632.26/9,943.28
  6. Step 6: Final answer
    x = 9,311.88

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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.