Home / 16,817.88-25,230.60-5,130.21

Finding the Fourth Proportional to 16,817.88, 25,230.60 and 5,130.21

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Solution

The fourth proportional to 16,817.88, 25,230.60 and 5,130.21 is: 7,696.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,817.88 : 25,230.60 = 5,130.21 : x
  2. Step 2: Convert to fraction form
    16,817.88/25,230.60 = 5,130.21/x
  3. Step 3: Cross multiply
    16,817.88x = 25,230.60 × 5,130.21
  4. Step 4: Simplify right side
    16,817.88x = 129,438,276.43
  5. Step 5: Solve for x
    x = 129,438,276.43/16,817.88
  6. Step 6: Final answer
    x = 7,696.47

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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.