Home / 11,752.35-16,217.21-6,715.57

Finding the Fourth Proportional to 11,752.35, 16,217.21 and 6,715.57

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Solution

The fourth proportional to 11,752.35, 16,217.21 and 6,715.57 is: 9,266.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,752.35 : 16,217.21 = 6,715.57 : x
  2. Step 2: Convert to fraction form
    11,752.35/16,217.21 = 6,715.57/x
  3. Step 3: Cross multiply
    11,752.35x = 16,217.21 × 6,715.57
  4. Step 4: Simplify right side
    11,752.35x = 108,907,808.96
  5. Step 5: Solve for x
    x = 108,907,808.96/11,752.35
  6. Step 6: Final answer
    x = 9,266.90

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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.