Home / 16,736.68-25,105.09-5,643.46

Finding the Fourth Proportional to 16,736.68, 25,105.09 and 5,643.46

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Solution

The fourth proportional to 16,736.68, 25,105.09 and 5,643.46 is: 8,465.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,736.68 : 25,105.09 = 5,643.46 : x
  2. Step 2: Convert to fraction form
    16,736.68/25,105.09 = 5,643.46/x
  3. Step 3: Cross multiply
    16,736.68x = 25,105.09 × 5,643.46
  4. Step 4: Simplify right side
    16,736.68x = 141,679,457.85
  5. Step 5: Solve for x
    x = 141,679,457.85/16,736.68
  6. Step 6: Final answer
    x = 8,465.21

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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.