Home / 10,749.44-16,105.07-9,173.45

Finding the Fourth Proportional to 10,749.44, 16,105.07 and 9,173.45

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Solution

The fourth proportional to 10,749.44, 16,105.07 and 9,173.45 is: 13,743.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,749.44 : 16,105.07 = 9,173.45 : x
  2. Step 2: Convert to fraction form
    10,749.44/16,105.07 = 9,173.45/x
  3. Step 3: Cross multiply
    10,749.44x = 16,105.07 × 9,173.45
  4. Step 4: Simplify right side
    10,749.44x = 147,739,008.52
  5. Step 5: Solve for x
    x = 147,739,008.52/10,749.44
  6. Step 6: Final answer
    x = 13,743.88

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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.