Home / 13,992.48-20,991.96-6,203.52

Finding the Fourth Proportional to 13,992.48, 20,991.96 and 6,203.52

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Solution

The fourth proportional to 13,992.48, 20,991.96 and 6,203.52 is: 9,306.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,992.48 : 20,991.96 = 6,203.52 : x
  2. Step 2: Convert to fraction form
    13,992.48/20,991.96 = 6,203.52/x
  3. Step 3: Cross multiply
    13,992.48x = 20,991.96 × 6,203.52
  4. Step 4: Simplify right side
    13,992.48x = 130,224,043.70
  5. Step 5: Solve for x
    x = 130,224,043.70/13,992.48
  6. Step 6: Final answer
    x = 9,306.72

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1.5x scale

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.