Home / 13,917.62-20,876.19-4,683.62

Finding the Fourth Proportional to 13,917.62, 20,876.19 and 4,683.62

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Solution

The fourth proportional to 13,917.62, 20,876.19 and 4,683.62 is: 7,025.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917.62 : 20,876.19 = 4,683.62 : x
  2. Step 2: Convert to fraction form
    13,917.62/20,876.19 = 4,683.62/x
  3. Step 3: Cross multiply
    13,917.62x = 20,876.19 × 4,683.62
  4. Step 4: Simplify right side
    13,917.62x = 97,776,141.01
  5. Step 5: Solve for x
    x = 97,776,141.01/13,917.62
  6. Step 6: Final answer
    x = 7,025.35

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1.5x scale

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.