Home / 13,009.22-19,515.75-3,774.02

Finding the Fourth Proportional to 13,009.22, 19,515.75 and 3,774.02

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Solution

The fourth proportional to 13,009.22, 19,515.75 and 3,774.02 is: 5,661.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009.22 : 19,515.75 = 3,774.02 : x
  2. Step 2: Convert to fraction form
    13,009.22/19,515.75 = 3,774.02/x
  3. Step 3: Cross multiply
    13,009.22x = 19,515.75 × 3,774.02
  4. Step 4: Simplify right side
    13,009.22x = 73,652,830.82
  5. Step 5: Solve for x
    x = 73,652,830.82/13,009.22
  6. Step 6: Final answer
    x = 5,661.59

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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.