Home / 9,134.37-13,662.48-7,624.20

Finding the Fourth Proportional to 9,134.37, 13,662.48 and 7,624.20

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Solution

The fourth proportional to 9,134.37, 13,662.48 and 7,624.20 is: 11,403.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,134.37 : 13,662.48 = 7,624.20 : x
  2. Step 2: Convert to fraction form
    9,134.37/13,662.48 = 7,624.20/x
  3. Step 3: Cross multiply
    9,134.37x = 13,662.48 × 7,624.20
  4. Step 4: Simplify right side
    9,134.37x = 104,165,480.02
  5. Step 5: Solve for x
    x = 104,165,480.02/9,134.37
  6. Step 6: Final answer
    x = 11,403.69

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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.