Home / 13,986.28-19,300.92-7,698.52

Finding the Fourth Proportional to 13,986.28, 19,300.92 and 7,698.52

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Solution

The fourth proportional to 13,986.28, 19,300.92 and 7,698.52 is: 10,623.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,986.28 : 19,300.92 = 7,698.52 : x
  2. Step 2: Convert to fraction form
    13,986.28/19,300.92 = 7,698.52/x
  3. Step 3: Cross multiply
    13,986.28x = 19,300.92 × 7,698.52
  4. Step 4: Simplify right side
    13,986.28x = 148,588,518.64
  5. Step 5: Solve for x
    x = 148,588,518.64/13,986.28
  6. Step 6: Final answer
    x = 10,623.88

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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.