Home / 16,971.53-25,457.29-8,213.81

Finding the Fourth Proportional to 16,971.53, 25,457.29 and 8,213.81

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Solution

The fourth proportional to 16,971.53, 25,457.29 and 8,213.81 is: 12,320.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,971.53 : 25,457.29 = 8,213.81 : x
  2. Step 2: Convert to fraction form
    16,971.53/25,457.29 = 8,213.81/x
  3. Step 3: Cross multiply
    16,971.53x = 25,457.29 × 8,213.81
  4. Step 4: Simplify right side
    16,971.53x = 209,101,195.35
  5. Step 5: Solve for x
    x = 209,101,195.35/16,971.53
  6. Step 6: Final answer
    x = 12,320.71

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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.