Home / 20,011.44-29,993.20-9,323.40

Finding the Fourth Proportional to 20,011.44, 29,993.20 and 9,323.40

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Solution

The fourth proportional to 20,011.44, 29,993.20 and 9,323.40 is: 13,973.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,011.44 : 29,993.20 = 9,323.40 : x
  2. Step 2: Convert to fraction form
    20,011.44/29,993.20 = 9,323.40/x
  3. Step 3: Cross multiply
    20,011.44x = 29,993.20 × 9,323.40
  4. Step 4: Simplify right side
    20,011.44x = 279,638,600.88
  5. Step 5: Solve for x
    x = 279,638,600.88/20,011.44
  6. Step 6: Final answer
    x = 13,973.94

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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.