Home / 9,617.44-14,400.20-4,990.72

Finding the Fourth Proportional to 9,617.44, 14,400.20 and 4,990.72

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Solution

The fourth proportional to 9,617.44, 14,400.20 and 4,990.72 is: 7,472.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,617.44 : 14,400.20 = 4,990.72 : x
  2. Step 2: Convert to fraction form
    9,617.44/14,400.20 = 4,990.72/x
  3. Step 3: Cross multiply
    9,617.44x = 14,400.20 × 4,990.72
  4. Step 4: Simplify right side
    9,617.44x = 71,867,366.14
  5. Step 5: Solve for x
    x = 71,867,366.14/9,617.44
  6. Step 6: Final answer
    x = 7,472.61

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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.