Home / 18,829.08-28,258.20-10,071.36

Finding the Fourth Proportional to 18,829.08, 28,258.20 and 10,071.36

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Solution

The fourth proportional to 18,829.08, 28,258.20 and 10,071.36 is: 15,114.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829.08 : 28,258.20 = 10,071.36 : x
  2. Step 2: Convert to fraction form
    18,829.08/28,258.20 = 10,071.36/x
  3. Step 3: Cross multiply
    18,829.08x = 28,258.20 × 10,071.36
  4. Step 4: Simplify right side
    18,829.08x = 284,598,505.15
  5. Step 5: Solve for x
    x = 284,598,505.15/18,829.08
  6. Step 6: Final answer
    x = 15,114.84

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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.