Home / 10,455.90-15,683.76-2,664.70

Finding the Fourth Proportional to 10,455.90, 15,683.76 and 2,664.70

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Solution

The fourth proportional to 10,455.90, 15,683.76 and 2,664.70 is: 3,997.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.90 : 15,683.76 = 2,664.70 : x
  2. Step 2: Convert to fraction form
    10,455.90/15,683.76 = 2,664.70/x
  3. Step 3: Cross multiply
    10,455.90x = 15,683.76 × 2,664.70
  4. Step 4: Simplify right side
    10,455.90x = 41,792,515.27
  5. Step 5: Solve for x
    x = 41,792,515.27/10,455.90
  6. Step 6: Final answer
    x = 3,997.03

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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.