Home / 9,512.45-14,270.83-5,129.81

Finding the Fourth Proportional to 9,512.45, 14,270.83 and 5,129.81

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Solution

The fourth proportional to 9,512.45, 14,270.83 and 5,129.81 is: 7,695.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,512.45 : 14,270.83 = 5,129.81 : x
  2. Step 2: Convert to fraction form
    9,512.45/14,270.83 = 5,129.81/x
  3. Step 3: Cross multiply
    9,512.45x = 14,270.83 × 5,129.81
  4. Step 4: Simplify right side
    9,512.45x = 73,206,562.26
  5. Step 5: Solve for x
    x = 73,206,562.26/9,512.45
  6. Step 6: Final answer
    x = 7,695.87

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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.