Home / 13,187.09-19,774.26-4,871.03

Finding the Fourth Proportional to 13,187.09, 19,774.26 and 4,871.03

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Solution

The fourth proportional to 13,187.09, 19,774.26 and 4,871.03 is: 7,304.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,187.09 : 19,774.26 = 4,871.03 : x
  2. Step 2: Convert to fraction form
    13,187.09/19,774.26 = 4,871.03/x
  3. Step 3: Cross multiply
    13,187.09x = 19,774.26 × 4,871.03
  4. Step 4: Simplify right side
    13,187.09x = 96,320,914.82
  5. Step 5: Solve for x
    x = 96,320,914.82/13,187.09
  6. Step 6: Final answer
    x = 7,304.18

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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.