Home / 12,391.92-18,590.58-4,996.35

Finding the Fourth Proportional to 12,391.92, 18,590.58 and 4,996.35

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Solution

The fourth proportional to 12,391.92, 18,590.58 and 4,996.35 is: 7,495.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,391.92 : 18,590.58 = 4,996.35 : x
  2. Step 2: Convert to fraction form
    12,391.92/18,590.58 = 4,996.35/x
  3. Step 3: Cross multiply
    12,391.92x = 18,590.58 × 4,996.35
  4. Step 4: Simplify right side
    12,391.92x = 92,885,044.38
  5. Step 5: Solve for x
    x = 92,885,044.38/12,391.92
  6. Step 6: Final answer
    x = 7,495.61

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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.