Home / 10,220.70-15,310.52-7,453.22

Finding the Fourth Proportional to 10,220.70, 15,310.52 and 7,453.22

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Solution

The fourth proportional to 10,220.70, 15,310.52 and 7,453.22 is: 11,164.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220.70 : 15,310.52 = 7,453.22 : x
  2. Step 2: Convert to fraction form
    10,220.70/15,310.52 = 7,453.22/x
  3. Step 3: Cross multiply
    10,220.70x = 15,310.52 × 7,453.22
  4. Step 4: Simplify right side
    10,220.70x = 114,112,673.87
  5. Step 5: Solve for x
    x = 114,112,673.87/10,220.70
  6. Step 6: Final answer
    x = 11,164.86

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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.