Home / 13,278.94-19,914.76-4,962.26

Finding the Fourth Proportional to 13,278.94, 19,914.76 and 4,962.26

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Solution

The fourth proportional to 13,278.94, 19,914.76 and 4,962.26 is: 7,442.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,278.94 : 19,914.76 = 4,962.26 : x
  2. Step 2: Convert to fraction form
    13,278.94/19,914.76 = 4,962.26/x
  3. Step 3: Cross multiply
    13,278.94x = 19,914.76 × 4,962.26
  4. Step 4: Simplify right side
    13,278.94x = 98,822,272.95
  5. Step 5: Solve for x
    x = 98,822,272.95/13,278.94
  6. Step 6: Final answer
    x = 7,442.03

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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.