Home / 13,370.10-20,055.20-9,197.52

Finding the Fourth Proportional to 13,370.10, 20,055.20 and 9,197.52

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Solution

The fourth proportional to 13,370.10, 20,055.20 and 9,197.52 is: 13,796.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.10 : 20,055.20 = 9,197.52 : x
  2. Step 2: Convert to fraction form
    13,370.10/20,055.20 = 9,197.52/x
  3. Step 3: Cross multiply
    13,370.10x = 20,055.20 × 9,197.52
  4. Step 4: Simplify right side
    13,370.10x = 184,458,103.10
  5. Step 5: Solve for x
    x = 184,458,103.10/13,370.10
  6. Step 6: Final answer
    x = 13,796.31

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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.