Home / 11,697.75-16,142.76-6,392.52

Finding the Fourth Proportional to 11,697.75, 16,142.76 and 6,392.52

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Solution

The fourth proportional to 11,697.75, 16,142.76 and 6,392.52 is: 8,821.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,697.75 : 16,142.76 = 6,392.52 : x
  2. Step 2: Convert to fraction form
    11,697.75/16,142.76 = 6,392.52/x
  3. Step 3: Cross multiply
    11,697.75x = 16,142.76 × 6,392.52
  4. Step 4: Simplify right side
    11,697.75x = 103,192,916.16
  5. Step 5: Solve for x
    x = 103,192,916.16/11,697.75
  6. Step 6: Final answer
    x = 8,821.60

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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.