Home / 16,811.17-25,216.89-5,720.38

Finding the Fourth Proportional to 16,811.17, 25,216.89 and 5,720.38

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Solution

The fourth proportional to 16,811.17, 25,216.89 and 5,720.38 is: 8,580.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,811.17 : 25,216.89 = 5,720.38 : x
  2. Step 2: Convert to fraction form
    16,811.17/25,216.89 = 5,720.38/x
  3. Step 3: Cross multiply
    16,811.17x = 25,216.89 × 5,720.38
  4. Step 4: Simplify right side
    16,811.17x = 144,250,193.22
  5. Step 5: Solve for x
    x = 144,250,193.22/16,811.17
  6. Step 6: Final answer
    x = 8,580.62

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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.