Home / 16,977.48-25,484.84-13,489.90

Finding the Fourth Proportional to 16,977.48, 25,484.84 and 13,489.90

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Solution

The fourth proportional to 16,977.48, 25,484.84 and 13,489.90 is: 20,249.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,977.48 : 25,484.84 = 13,489.90 : x
  2. Step 2: Convert to fraction form
    16,977.48/25,484.84 = 13,489.90/x
  3. Step 3: Cross multiply
    16,977.48x = 25,484.84 × 13,489.90
  4. Step 4: Simplify right side
    16,977.48x = 343,787,943.12
  5. Step 5: Solve for x
    x = 343,787,943.12/16,977.48
  6. Step 6: Final answer
    x = 20,249.65

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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.