Home / 9,683.70-14,529.60-3,111.90

Finding the Fourth Proportional to 9,683.70, 14,529.60 and 3,111.90

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Solution

The fourth proportional to 9,683.70, 14,529.60 and 3,111.90 is: 4,669.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,683.70 : 14,529.60 = 3,111.90 : x
  2. Step 2: Convert to fraction form
    9,683.70/14,529.60 = 3,111.90/x
  3. Step 3: Cross multiply
    9,683.70x = 14,529.60 × 3,111.90
  4. Step 4: Simplify right side
    9,683.70x = 45,214,662.24
  5. Step 5: Solve for x
    x = 45,214,662.24/9,683.70
  6. Step 6: Final answer
    x = 4,669.15

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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.