Home / 17,639.73-26,455.46-5,157.14

Finding the Fourth Proportional to 17,639.73, 26,455.46 and 5,157.14

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Solution

The fourth proportional to 17,639.73, 26,455.46 and 5,157.14 is: 7,734.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,639.73 : 26,455.46 = 5,157.14 : x
  2. Step 2: Convert to fraction form
    17,639.73/26,455.46 = 5,157.14/x
  3. Step 3: Cross multiply
    17,639.73x = 26,455.46 × 5,157.14
  4. Step 4: Simplify right side
    17,639.73x = 136,434,352.92
  5. Step 5: Solve for x
    x = 136,434,352.92/17,639.73
  6. Step 6: Final answer
    x = 7,734.49

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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.