Home / 10,205.70-15,309.92-7,037.28

Finding the Fourth Proportional to 10,205.70, 15,309.92 and 7,037.28

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Solution

The fourth proportional to 10,205.70, 15,309.92 and 7,037.28 is: 10,556.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,205.70 : 15,309.92 = 7,037.28 : x
  2. Step 2: Convert to fraction form
    10,205.70/15,309.92 = 7,037.28/x
  3. Step 3: Cross multiply
    10,205.70x = 15,309.92 × 7,037.28
  4. Step 4: Simplify right side
    10,205.70x = 107,740,193.82
  5. Step 5: Solve for x
    x = 107,740,193.82/10,205.70
  6. Step 6: Final answer
    x = 10,556.86

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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.