Home / 13,986.56-19,302-7,699.52

Finding the Fourth Proportional to 13,986.56, 19,302 and 7,699.52

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Solution

The fourth proportional to 13,986.56, 19,302 and 7,699.52 is: 10,625.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,986.56 : 19,302 = 7,699.52 : x
  2. Step 2: Convert to fraction form
    13,986.56/19,302 = 7,699.52/x
  3. Step 3: Cross multiply
    13,986.56x = 19,302 × 7,699.52
  4. Step 4: Simplify right side
    13,986.56x = 148,616,135.04
  5. Step 5: Solve for x
    x = 148,616,135.04/13,986.56
  6. Step 6: Final answer
    x = 10,625.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.