Home / 16,720.22-25,082.41-5,471.70

Finding the Fourth Proportional to 16,720.22, 25,082.41 and 5,471.70

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Solution

The fourth proportional to 16,720.22, 25,082.41 and 5,471.70 is: 8,208.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.22 : 25,082.41 = 5,471.70 : x
  2. Step 2: Convert to fraction form
    16,720.22/25,082.41 = 5,471.70/x
  3. Step 3: Cross multiply
    16,720.22x = 25,082.41 × 5,471.70
  4. Step 4: Simplify right side
    16,720.22x = 137,243,466.41
  5. Step 5: Solve for x
    x = 137,243,466.41/16,720.22
  6. Step 6: Final answer
    x = 8,208.23

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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.