Home / 12,801.24-19,168.92-10,290.60

Finding the Fourth Proportional to 12,801.24, 19,168.92 and 10,290.60

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Solution

The fourth proportional to 12,801.24, 19,168.92 and 10,290.60 is: 15,409.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,801.24 : 19,168.92 = 10,290.60 : x
  2. Step 2: Convert to fraction form
    12,801.24/19,168.92 = 10,290.60/x
  3. Step 3: Cross multiply
    12,801.24x = 19,168.92 × 10,290.60
  4. Step 4: Simplify right side
    12,801.24x = 197,259,688.15
  5. Step 5: Solve for x
    x = 197,259,688.15/12,801.24
  6. Step 6: Final answer
    x = 15,409.42

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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.