Home / 12,038.56-18,059.80-3,716.64

Finding the Fourth Proportional to 12,038.56, 18,059.80 and 3,716.64

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Solution

The fourth proportional to 12,038.56, 18,059.80 and 3,716.64 is: 5,575.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.56 : 18,059.80 = 3,716.64 : x
  2. Step 2: Convert to fraction form
    12,038.56/18,059.80 = 3,716.64/x
  3. Step 3: Cross multiply
    12,038.56x = 18,059.80 × 3,716.64
  4. Step 4: Simplify right side
    12,038.56x = 67,121,775.07
  5. Step 5: Solve for x
    x = 67,121,775.07/12,038.56
  6. Step 6: Final answer
    x = 5,575.57

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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.