Home / 16,816.35-25,224.12-5,129.67

Finding the Fourth Proportional to 16,816.35, 25,224.12 and 5,129.67

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Solution

The fourth proportional to 16,816.35, 25,224.12 and 5,129.67 is: 7,694.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,816.35 : 25,224.12 = 5,129.67 : x
  2. Step 2: Convert to fraction form
    16,816.35/25,224.12 = 5,129.67/x
  3. Step 3: Cross multiply
    16,816.35x = 25,224.12 × 5,129.67
  4. Step 4: Simplify right side
    16,816.35x = 129,391,411.64
  5. Step 5: Solve for x
    x = 129,391,411.64/16,816.35
  6. Step 6: Final answer
    x = 7,694.38

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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.