Home / 9,003.12-13,504.66-3,161.40

Finding the Fourth Proportional to 9,003.12, 13,504.66 and 3,161.40

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Solution

The fourth proportional to 9,003.12, 13,504.66 and 3,161.40 is: 4,742.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,003.12 : 13,504.66 = 3,161.40 : x
  2. Step 2: Convert to fraction form
    9,003.12/13,504.66 = 3,161.40/x
  3. Step 3: Cross multiply
    9,003.12x = 13,504.66 × 3,161.40
  4. Step 4: Simplify right side
    9,003.12x = 42,693,632.12
  5. Step 5: Solve for x
    x = 42,693,632.12/9,003.12
  6. Step 6: Final answer
    x = 4,742.09

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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.