Home / 18,916.08-28,383.72-8,525.52

Finding the Fourth Proportional to 18,916.08, 28,383.72 and 8,525.52

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Solution

The fourth proportional to 18,916.08, 28,383.72 and 8,525.52 is: 12,792.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,916.08 : 28,383.72 = 8,525.52 : x
  2. Step 2: Convert to fraction form
    18,916.08/28,383.72 = 8,525.52/x
  3. Step 3: Cross multiply
    18,916.08x = 28,383.72 × 8,525.52
  4. Step 4: Simplify right side
    18,916.08x = 241,985,972.53
  5. Step 5: Solve for x
    x = 241,985,972.53/18,916.08
  6. Step 6: Final answer
    x = 12,792.61

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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.