Home / 16,818.26-25,228.71-5,131.58

Finding the Fourth Proportional to 16,818.26, 25,228.71 and 5,131.58

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Solution

The fourth proportional to 16,818.26, 25,228.71 and 5,131.58 is: 7,697.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,818.26 : 25,228.71 = 5,131.58 : x
  2. Step 2: Convert to fraction form
    16,818.26/25,228.71 = 5,131.58/x
  3. Step 3: Cross multiply
    16,818.26x = 25,228.71 × 5,131.58
  4. Step 4: Simplify right side
    16,818.26x = 129,463,143.66
  5. Step 5: Solve for x
    x = 129,463,143.66/16,818.26
  6. Step 6: Final answer
    x = 7,697.77

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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.