Home / 11,142.46-16,711.53-4,217.50

Finding the Fourth Proportional to 11,142.46, 16,711.53 and 4,217.50

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Solution

The fourth proportional to 11,142.46, 16,711.53 and 4,217.50 is: 6,325.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,142.46 : 16,711.53 = 4,217.50 : x
  2. Step 2: Convert to fraction form
    11,142.46/16,711.53 = 4,217.50/x
  3. Step 3: Cross multiply
    11,142.46x = 16,711.53 × 4,217.50
  4. Step 4: Simplify right side
    11,142.46x = 70,480,877.78
  5. Step 5: Solve for x
    x = 70,480,877.78/11,142.46
  6. Step 6: Final answer
    x = 6,325.43

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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.