Home / 13,968.45-20,952.63-5,648.37

Finding the Fourth Proportional to 13,968.45, 20,952.63 and 5,648.37

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Solution

The fourth proportional to 13,968.45, 20,952.63 and 5,648.37 is: 8,472.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,968.45 : 20,952.63 = 5,648.37 : x
  2. Step 2: Convert to fraction form
    13,968.45/20,952.63 = 5,648.37/x
  3. Step 3: Cross multiply
    13,968.45x = 20,952.63 × 5,648.37
  4. Step 4: Simplify right side
    13,968.45x = 118,348,185.53
  5. Step 5: Solve for x
    x = 118,348,185.53/13,968.45
  6. Step 6: Final answer
    x = 8,472.53

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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.