Home / 11,315.19-16,968.93-3,917.91

Finding the Fourth Proportional to 11,315.19, 16,968.93 and 3,917.91

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Solution

The fourth proportional to 11,315.19, 16,968.93 and 3,917.91 is: 5,875.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,315.19 : 16,968.93 = 3,917.91 : x
  2. Step 2: Convert to fraction form
    11,315.19/16,968.93 = 3,917.91/x
  3. Step 3: Cross multiply
    11,315.19x = 16,968.93 × 3,917.91
  4. Step 4: Simplify right side
    11,315.19x = 66,482,792.75
  5. Step 5: Solve for x
    x = 66,482,792.75/11,315.19
  6. Step 6: Final answer
    x = 5,875.54

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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.