Home / 16,720.25-25,082.81-8,924.81

Finding the Fourth Proportional to 16,720.25, 25,082.81 and 8,924.81

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Solution

The fourth proportional to 16,720.25, 25,082.81 and 8,924.81 is: 13,388.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.25 : 25,082.81 = 8,924.81 : x
  2. Step 2: Convert to fraction form
    16,720.25/25,082.81 = 8,924.81/x
  3. Step 3: Cross multiply
    16,720.25x = 25,082.81 × 8,924.81
  4. Step 4: Simplify right side
    16,720.25x = 223,859,143.48
  5. Step 5: Solve for x
    x = 223,859,143.48/16,720.25
  6. Step 6: Final answer
    x = 13,388.51

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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.