Home / 13,973.44-20,960.16-8,782.96

Finding the Fourth Proportional to 13,973.44, 20,960.16 and 8,782.96

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Solution

The fourth proportional to 13,973.44, 20,960.16 and 8,782.96 is: 13,174.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.44 : 20,960.16 = 8,782.96 : x
  2. Step 2: Convert to fraction form
    13,973.44/20,960.16 = 8,782.96/x
  3. Step 3: Cross multiply
    13,973.44x = 20,960.16 × 8,782.96
  4. Step 4: Simplify right side
    13,973.44x = 184,092,246.87
  5. Step 5: Solve for x
    x = 184,092,246.87/13,973.44
  6. Step 6: Final answer
    x = 13,174.44

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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.