Home / 9,738.48-13,425.84-7,086

Finding the Fourth Proportional to 9,738.48, 13,425.84 and 7,086

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Solution

The fourth proportional to 9,738.48, 13,425.84 and 7,086 is: 9,769.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,738.48 : 13,425.84 = 7,086 : x
  2. Step 2: Convert to fraction form
    9,738.48/13,425.84 = 7,086/x
  3. Step 3: Cross multiply
    9,738.48x = 13,425.84 × 7,086
  4. Step 4: Simplify right side
    9,738.48x = 95,135,502.24
  5. Step 5: Solve for x
    x = 95,135,502.24/9,738.48
  6. Step 6: Final answer
    x = 9,769.03

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Double scale
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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.