Home / 9,438.24-13,025.04-5,189.52

Finding the Fourth Proportional to 9,438.24, 13,025.04 and 5,189.52

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Solution

The fourth proportional to 9,438.24, 13,025.04 and 5,189.52 is: 7,161.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,438.24 : 13,025.04 = 5,189.52 : x
  2. Step 2: Convert to fraction form
    9,438.24/13,025.04 = 5,189.52/x
  3. Step 3: Cross multiply
    9,438.24x = 13,025.04 × 5,189.52
  4. Step 4: Simplify right side
    9,438.24x = 67,593,705.58
  5. Step 5: Solve for x
    x = 67,593,705.58/9,438.24
  6. Step 6: Final answer
    x = 7,161.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.