Home / 13,989.17-20,984.67-4,629.83

Finding the Fourth Proportional to 13,989.17, 20,984.67 and 4,629.83

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Solution

The fourth proportional to 13,989.17, 20,984.67 and 4,629.83 is: 6,945.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,989.17 : 20,984.67 = 4,629.83 : x
  2. Step 2: Convert to fraction form
    13,989.17/20,984.67 = 4,629.83/x
  3. Step 3: Cross multiply
    13,989.17x = 20,984.67 × 4,629.83
  4. Step 4: Simplify right side
    13,989.17x = 97,155,349.78
  5. Step 5: Solve for x
    x = 97,155,349.78/13,989.17
  6. Step 6: Final answer
    x = 6,945.04

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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.