Home / 11,339.93-17,007.30-4,320.74

Finding the Fourth Proportional to 11,339.93, 17,007.30 and 4,320.74

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Solution

The fourth proportional to 11,339.93, 17,007.30 and 4,320.74 is: 6,480.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,339.93 : 17,007.30 = 4,320.74 : x
  2. Step 2: Convert to fraction form
    11,339.93/17,007.30 = 4,320.74/x
  3. Step 3: Cross multiply
    11,339.93x = 17,007.30 × 4,320.74
  4. Step 4: Simplify right side
    11,339.93x = 73,484,163.92
  5. Step 5: Solve for x
    x = 73,484,163.92/11,339.93
  6. Step 6: Final answer
    x = 6,480.12

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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.