Home / 16,813.77-25,224.39-5,127.90

Finding the Fourth Proportional to 16,813.77, 25,224.39 and 5,127.90

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Solution

The fourth proportional to 16,813.77, 25,224.39 and 5,127.90 is: 7,692.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,813.77 : 25,224.39 = 5,127.90 : x
  2. Step 2: Convert to fraction form
    16,813.77/25,224.39 = 5,127.90/x
  3. Step 3: Cross multiply
    16,813.77x = 25,224.39 × 5,127.90
  4. Step 4: Simplify right side
    16,813.77x = 129,348,149.48
  5. Step 5: Solve for x
    x = 129,348,149.48/16,813.77
  6. Step 6: Final answer
    x = 7,692.99

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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.