Home / 11,267.80-16,901.70-4,247.80

Finding the Fourth Proportional to 11,267.80, 16,901.70 and 4,247.80

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Solution

The fourth proportional to 11,267.80, 16,901.70 and 4,247.80 is: 6,371.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,267.80 : 16,901.70 = 4,247.80 : x
  2. Step 2: Convert to fraction form
    11,267.80/16,901.70 = 4,247.80/x
  3. Step 3: Cross multiply
    11,267.80x = 16,901.70 × 4,247.80
  4. Step 4: Simplify right side
    11,267.80x = 71,795,041.26
  5. Step 5: Solve for x
    x = 71,795,041.26/11,267.80
  6. Step 6: Final answer
    x = 6,371.70

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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.