Home / 16,987.40-25,366.70-13,873.58

Finding the Fourth Proportional to 16,987.40, 25,366.70 and 13,873.58

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Solution

The fourth proportional to 16,987.40, 25,366.70 and 13,873.58 is: 20,716.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,987.40 : 25,366.70 = 13,873.58 : x
  2. Step 2: Convert to fraction form
    16,987.40/25,366.70 = 13,873.58/x
  3. Step 3: Cross multiply
    16,987.40x = 25,366.70 × 13,873.58
  4. Step 4: Simplify right side
    16,987.40x = 351,926,745.58
  5. Step 5: Solve for x
    x = 351,926,745.58/16,987.40
  6. Step 6: Final answer
    x = 20,716.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.