Home / 14,640.83-21,948.93-11,860.61

Finding the Fourth Proportional to 14,640.83, 21,948.93 and 11,860.61

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Solution

The fourth proportional to 14,640.83, 21,948.93 and 11,860.61 is: 17,780.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.83 : 21,948.93 = 11,860.61 : x
  2. Step 2: Convert to fraction form
    14,640.83/21,948.93 = 11,860.61/x
  3. Step 3: Cross multiply
    14,640.83x = 21,948.93 × 11,860.61
  4. Step 4: Simplify right side
    14,640.83x = 260,327,698.65
  5. Step 5: Solve for x
    x = 260,327,698.65/14,640.83
  6. Step 6: Final answer
    x = 17,780.94

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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.