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Finding the Fourth Proportional to 8,823.74, 13,299.03 and 7,605.85

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Solution

The fourth proportional to 8,823.74, 13,299.03 and 7,605.85 is: 11,463.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,823.74 : 13,299.03 = 7,605.85 : x
  2. Step 2: Convert to fraction form
    8,823.74/13,299.03 = 7,605.85/x
  3. Step 3: Cross multiply
    8,823.74x = 13,299.03 × 7,605.85
  4. Step 4: Simplify right side
    8,823.74x = 101,150,341.82
  5. Step 5: Solve for x
    x = 101,150,341.82/8,823.74
  6. Step 6: Final answer
    x = 11,463.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.