Home / 17,284.87-25,933.68-13,983.71

Finding the Fourth Proportional to 17,284.87, 25,933.68 and 13,983.71

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Solution

The fourth proportional to 17,284.87, 25,933.68 and 13,983.71 is: 20,980.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,284.87 : 25,933.68 = 13,983.71 : x
  2. Step 2: Convert to fraction form
    17,284.87/25,933.68 = 13,983.71/x
  3. Step 3: Cross multiply
    17,284.87x = 25,933.68 × 13,983.71
  4. Step 4: Simplify right side
    17,284.87x = 362,648,990.43
  5. Step 5: Solve for x
    x = 362,648,990.43/17,284.87
  6. Step 6: Final answer
    x = 20,980.72

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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.