Home / 12,038.48-18,059.45-3,719.22

Finding the Fourth Proportional to 12,038.48, 18,059.45 and 3,719.22

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Solution

The fourth proportional to 12,038.48, 18,059.45 and 3,719.22 is: 5,579.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.48 : 18,059.45 = 3,719.22 : x
  2. Step 2: Convert to fraction form
    12,038.48/18,059.45 = 3,719.22/x
  3. Step 3: Cross multiply
    12,038.48x = 18,059.45 × 3,719.22
  4. Step 4: Simplify right side
    12,038.48x = 67,167,049.03
  5. Step 5: Solve for x
    x = 67,167,049.03/12,038.48
  6. Step 6: Final answer
    x = 5,579.37

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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.