Home / 14,989.53-20,683.19-8,614.89

Finding the Fourth Proportional to 14,989.53, 20,683.19 and 8,614.89

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Solution

The fourth proportional to 14,989.53, 20,683.19 and 8,614.89 is: 11,887.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,989.53 : 20,683.19 = 8,614.89 : x
  2. Step 2: Convert to fraction form
    14,989.53/20,683.19 = 8,614.89/x
  3. Step 3: Cross multiply
    14,989.53x = 20,683.19 × 8,614.89
  4. Step 4: Simplify right side
    14,989.53x = 178,183,363.62
  5. Step 5: Solve for x
    x = 178,183,363.62/14,989.53
  6. Step 6: Final answer
    x = 11,887.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.