Home / 12,544.70-17,311.71-7,240.34

Finding the Fourth Proportional to 12,544.70, 17,311.71 and 7,240.34

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Solution

The fourth proportional to 12,544.70, 17,311.71 and 7,240.34 is: 9,991.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544.70 : 17,311.71 = 7,240.34 : x
  2. Step 2: Convert to fraction form
    12,544.70/17,311.71 = 7,240.34/x
  3. Step 3: Cross multiply
    12,544.70x = 17,311.71 × 7,240.34
  4. Step 4: Simplify right side
    12,544.70x = 125,342,579.82
  5. Step 5: Solve for x
    x = 125,342,579.82/12,544.70
  6. Step 6: Final answer
    x = 9,991.68

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1.5x scale

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.