Home / 11,760.06-17,640.81-4,738.98

Finding the Fourth Proportional to 11,760.06, 17,640.81 and 4,738.98

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Solution

The fourth proportional to 11,760.06, 17,640.81 and 4,738.98 is: 7,108.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,760.06 : 17,640.81 = 4,738.98 : x
  2. Step 2: Convert to fraction form
    11,760.06/17,640.81 = 4,738.98/x
  3. Step 3: Cross multiply
    11,760.06x = 17,640.81 × 4,738.98
  4. Step 4: Simplify right side
    11,760.06x = 83,599,445.77
  5. Step 5: Solve for x
    x = 83,599,445.77/11,760.06
  6. Step 6: Final answer
    x = 7,108.76

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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.