Home / 11,142.72-16,712.88-4,568.40

Finding the Fourth Proportional to 11,142.72, 16,712.88 and 4,568.40

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Solution

The fourth proportional to 11,142.72, 16,712.88 and 4,568.40 is: 6,852.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,142.72 : 16,712.88 = 4,568.40 : x
  2. Step 2: Convert to fraction form
    11,142.72/16,712.88 = 4,568.40/x
  3. Step 3: Cross multiply
    11,142.72x = 16,712.88 × 4,568.40
  4. Step 4: Simplify right side
    11,142.72x = 76,351,120.99
  5. Step 5: Solve for x
    x = 76,351,120.99/11,142.72
  6. Step 6: Final answer
    x = 6,852.11

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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.