Home / 16,312.57-22,489.93-11,771.44

Finding the Fourth Proportional to 16,312.57, 22,489.93 and 11,771.44

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Solution

The fourth proportional to 16,312.57, 22,489.93 and 11,771.44 is: 16,229.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,312.57 : 22,489.93 = 11,771.44 : x
  2. Step 2: Convert to fraction form
    16,312.57/22,489.93 = 11,771.44/x
  3. Step 3: Cross multiply
    16,312.57x = 22,489.93 × 11,771.44
  4. Step 4: Simplify right side
    16,312.57x = 264,738,861.60
  5. Step 5: Solve for x
    x = 264,738,861.60/16,312.57
  6. Step 6: Final answer
    x = 16,229.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.