Home / 9,683.20-14,517.60-5,305.60

Finding the Fourth Proportional to 9,683.20, 14,517.60 and 5,305.60

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Solution

The fourth proportional to 9,683.20, 14,517.60 and 5,305.60 is: 7,954.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,683.20 : 14,517.60 = 5,305.60 : x
  2. Step 2: Convert to fraction form
    9,683.20/14,517.60 = 5,305.60/x
  3. Step 3: Cross multiply
    9,683.20x = 14,517.60 × 5,305.60
  4. Step 4: Simplify right side
    9,683.20x = 77,024,578.56
  5. Step 5: Solve for x
    x = 77,024,578.56/9,683.20
  6. Step 6: Final answer
    x = 7,954.45

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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.