Home / 13,419.05-20,122.95-5,094.48

Finding the Fourth Proportional to 13,419.05, 20,122.95 and 5,094.48

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Solution

The fourth proportional to 13,419.05, 20,122.95 and 5,094.48 is: 7,639.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,419.05 : 20,122.95 = 5,094.48 : x
  2. Step 2: Convert to fraction form
    13,419.05/20,122.95 = 5,094.48/x
  3. Step 3: Cross multiply
    13,419.05x = 20,122.95 × 5,094.48
  4. Step 4: Simplify right side
    13,419.05x = 102,515,966.32
  5. Step 5: Solve for x
    x = 102,515,966.32/13,419.05
  6. Step 6: Final answer
    x = 7,639.58

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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.