Home / 9,430.38-13,014.32-5,238.64

Finding the Fourth Proportional to 9,430.38, 13,014.32 and 5,238.64

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Solution

The fourth proportional to 9,430.38, 13,014.32 and 5,238.64 is: 7,229.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.38 : 13,014.32 = 5,238.64 : x
  2. Step 2: Convert to fraction form
    9,430.38/13,014.32 = 5,238.64/x
  3. Step 3: Cross multiply
    9,430.38x = 13,014.32 × 5,238.64
  4. Step 4: Simplify right side
    9,430.38x = 68,177,337.32
  5. Step 5: Solve for x
    x = 68,177,337.32/9,430.38
  6. Step 6: Final answer
    x = 7,229.54

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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.