Home / 18,217.32-25,149.52-13,969.07

Finding the Fourth Proportional to 18,217.32, 25,149.52 and 13,969.07

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Solution

The fourth proportional to 18,217.32, 25,149.52 and 13,969.07 is: 19,284.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.32 : 25,149.52 = 13,969.07 : x
  2. Step 2: Convert to fraction form
    18,217.32/25,149.52 = 13,969.07/x
  3. Step 3: Cross multiply
    18,217.32x = 25,149.52 × 13,969.07
  4. Step 4: Simplify right side
    18,217.32x = 351,315,405.35
  5. Step 5: Solve for x
    x = 351,315,405.35/18,217.32
  6. Step 6: Final answer
    x = 19,284.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.