Home / 13,915.54-20,873.54-4,055.36

Finding the Fourth Proportional to 13,915.54, 20,873.54 and 4,055.36

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Solution

The fourth proportional to 13,915.54, 20,873.54 and 4,055.36 is: 6,083.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,915.54 : 20,873.54 = 4,055.36 : x
  2. Step 2: Convert to fraction form
    13,915.54/20,873.54 = 4,055.36/x
  3. Step 3: Cross multiply
    13,915.54x = 20,873.54 × 4,055.36
  4. Step 4: Simplify right side
    13,915.54x = 84,649,719.17
  5. Step 5: Solve for x
    x = 84,649,719.17/13,915.54
  6. Step 6: Final answer
    x = 6,083.11

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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.