Home / 11,390.48-17,087.52-4,816.70

Finding the Fourth Proportional to 11,390.48, 17,087.52 and 4,816.70

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Solution

The fourth proportional to 11,390.48, 17,087.52 and 4,816.70 is: 7,225.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,390.48 : 17,087.52 = 4,816.70 : x
  2. Step 2: Convert to fraction form
    11,390.48/17,087.52 = 4,816.70/x
  3. Step 3: Cross multiply
    11,390.48x = 17,087.52 × 4,816.70
  4. Step 4: Simplify right side
    11,390.48x = 82,305,457.58
  5. Step 5: Solve for x
    x = 82,305,457.58/11,390.48
  6. Step 6: Final answer
    x = 7,225.81

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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.