Home / 10,321.48-15,482.82-3,748.36

Finding the Fourth Proportional to 10,321.48, 15,482.82 and 3,748.36

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Solution

The fourth proportional to 10,321.48, 15,482.82 and 3,748.36 is: 5,622.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,321.48 : 15,482.82 = 3,748.36 : x
  2. Step 2: Convert to fraction form
    10,321.48/15,482.82 = 3,748.36/x
  3. Step 3: Cross multiply
    10,321.48x = 15,482.82 × 3,748.36
  4. Step 4: Simplify right side
    10,321.48x = 58,035,183.18
  5. Step 5: Solve for x
    x = 58,035,183.18/10,321.48
  6. Step 6: Final answer
    x = 5,622.76

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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.