Home / 8,669.52-13,006.53-2,429.55

Finding the Fourth Proportional to 8,669.52, 13,006.53 and 2,429.55

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Solution

The fourth proportional to 8,669.52, 13,006.53 and 2,429.55 is: 3,644.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669.52 : 13,006.53 = 2,429.55 : x
  2. Step 2: Convert to fraction form
    8,669.52/13,006.53 = 2,429.55/x
  3. Step 3: Cross multiply
    8,669.52x = 13,006.53 × 2,429.55
  4. Step 4: Simplify right side
    8,669.52x = 31,600,014.96
  5. Step 5: Solve for x
    x = 31,600,014.96/8,669.52
  6. Step 6: Final answer
    x = 3,644.96

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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.