Home / 10,435.62-15,653.42-2,645.04

Finding the Fourth Proportional to 10,435.62, 15,653.42 and 2,645.04

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Solution

The fourth proportional to 10,435.62, 15,653.42 and 2,645.04 is: 3,967.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435.62 : 15,653.42 = 2,645.04 : x
  2. Step 2: Convert to fraction form
    10,435.62/15,653.42 = 2,645.04/x
  3. Step 3: Cross multiply
    10,435.62x = 15,653.42 × 2,645.04
  4. Step 4: Simplify right side
    10,435.62x = 41,403,922.04
  5. Step 5: Solve for x
    x = 41,403,922.04/10,435.62
  6. Step 6: Final answer
    x = 3,967.56

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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.