Home / 11,749.64-16,213.32-7,271.75

Finding the Fourth Proportional to 11,749.64, 16,213.32 and 7,271.75

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Solution

The fourth proportional to 11,749.64, 16,213.32 and 7,271.75 is: 10,034.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,749.64 : 16,213.32 = 7,271.75 : x
  2. Step 2: Convert to fraction form
    11,749.64/16,213.32 = 7,271.75/x
  3. Step 3: Cross multiply
    11,749.64x = 16,213.32 × 7,271.75
  4. Step 4: Simplify right side
    11,749.64x = 117,899,250.24
  5. Step 5: Solve for x
    x = 117,899,250.24/11,749.64
  6. Step 6: Final answer
    x = 10,034.29

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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.