Home / 11,238.43-15,510.46-6,764.60

Finding the Fourth Proportional to 11,238.43, 15,510.46 and 6,764.60

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Solution

The fourth proportional to 11,238.43, 15,510.46 and 6,764.60 is: 9,336.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238.43 : 15,510.46 = 6,764.60 : x
  2. Step 2: Convert to fraction form
    11,238.43/15,510.46 = 6,764.60/x
  3. Step 3: Cross multiply
    11,238.43x = 15,510.46 × 6,764.60
  4. Step 4: Simplify right side
    11,238.43x = 104,922,024.04
  5. Step 5: Solve for x
    x = 104,922,024.04/11,238.43
  6. Step 6: Final answer
    x = 9,336.00

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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.