Home / 17,145.64-25,653.68-10,129.47

Finding the Fourth Proportional to 17,145.64, 25,653.68 and 10,129.47

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Solution

The fourth proportional to 17,145.64, 25,653.68 and 10,129.47 is: 15,155.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,145.64 : 25,653.68 = 10,129.47 : x
  2. Step 2: Convert to fraction form
    17,145.64/25,653.68 = 10,129.47/x
  3. Step 3: Cross multiply
    17,145.64x = 25,653.68 × 10,129.47
  4. Step 4: Simplify right side
    17,145.64x = 259,858,181.95
  5. Step 5: Solve for x
    x = 259,858,181.95/17,145.64
  6. Step 6: Final answer
    x = 15,155.93

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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.