Home / 11,125.80-16,688.70-4,549.80

Finding the Fourth Proportional to 11,125.80, 16,688.70 and 4,549.80

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Solution

The fourth proportional to 11,125.80, 16,688.70 and 4,549.80 is: 6,824.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,125.80 : 16,688.70 = 4,549.80 : x
  2. Step 2: Convert to fraction form
    11,125.80/16,688.70 = 4,549.80/x
  3. Step 3: Cross multiply
    11,125.80x = 16,688.70 × 4,549.80
  4. Step 4: Simplify right side
    11,125.80x = 75,930,247.26
  5. Step 5: Solve for x
    x = 75,930,247.26/11,125.80
  6. Step 6: Final answer
    x = 6,824.70

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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.