Home / 11,267.70-15,532.94-7,900.36

Finding the Fourth Proportional to 11,267.70, 15,532.94 and 7,900.36

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Solution

The fourth proportional to 11,267.70, 15,532.94 and 7,900.36 is: 10,890.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,267.70 : 15,532.94 = 7,900.36 : x
  2. Step 2: Convert to fraction form
    11,267.70/15,532.94 = 7,900.36/x
  3. Step 3: Cross multiply
    11,267.70x = 15,532.94 × 7,900.36
  4. Step 4: Simplify right side
    11,267.70x = 122,715,817.86
  5. Step 5: Solve for x
    x = 122,715,817.86/11,267.70
  6. Step 6: Final answer
    x = 10,890.94

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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.