Home / 13,291.97-19,941.41-4,972.64

Finding the Fourth Proportional to 13,291.97, 19,941.41 and 4,972.64

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Solution

The fourth proportional to 13,291.97, 19,941.41 and 4,972.64 is: 7,460.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291.97 : 19,941.41 = 4,972.64 : x
  2. Step 2: Convert to fraction form
    13,291.97/19,941.41 = 4,972.64/x
  3. Step 3: Cross multiply
    13,291.97x = 19,941.41 × 4,972.64
  4. Step 4: Simplify right side
    13,291.97x = 99,161,365.75
  5. Step 5: Solve for x
    x = 99,161,365.75/13,291.97
  6. Step 6: Final answer
    x = 7,460.25

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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.