Home / 13,940.64-20,913.56-4,583.36

Finding the Fourth Proportional to 13,940.64, 20,913.56 and 4,583.36

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Solution

The fourth proportional to 13,940.64, 20,913.56 and 4,583.36 is: 6,875.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,940.64 : 20,913.56 = 4,583.36 : x
  2. Step 2: Convert to fraction form
    13,940.64/20,913.56 = 4,583.36/x
  3. Step 3: Cross multiply
    13,940.64x = 20,913.56 × 4,583.36
  4. Step 4: Simplify right side
    13,940.64x = 95,854,438.10
  5. Step 5: Solve for x
    x = 95,854,438.10/13,940.64
  6. Step 6: Final answer
    x = 6,875.90

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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.