Home / 13,454.90-20,192.79-9,323.87

Finding the Fourth Proportional to 13,454.90, 20,192.79 and 9,323.87

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Solution

The fourth proportional to 13,454.90, 20,192.79 and 9,323.87 is: 13,993.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,454.90 : 20,192.79 = 9,323.87 : x
  2. Step 2: Convert to fraction form
    13,454.90/20,192.79 = 9,323.87/x
  3. Step 3: Cross multiply
    13,454.90x = 20,192.79 × 9,323.87
  4. Step 4: Simplify right side
    13,454.90x = 188,274,948.90
  5. Step 5: Solve for x
    x = 188,274,948.90/13,454.90
  6. Step 6: Final answer
    x = 13,993.04

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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.