Home / 11,247.45-15,523.37-10,749.21

Finding the Fourth Proportional to 11,247.45, 15,523.37 and 10,749.21

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Solution

The fourth proportional to 11,247.45, 15,523.37 and 10,749.21 is: 14,835.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.45 : 15,523.37 = 10,749.21 : x
  2. Step 2: Convert to fraction form
    11,247.45/15,523.37 = 10,749.21/x
  3. Step 3: Cross multiply
    11,247.45x = 15,523.37 × 10,749.21
  4. Step 4: Simplify right side
    11,247.45x = 166,863,964.04
  5. Step 5: Solve for x
    x = 166,863,964.04/11,247.45
  6. Step 6: Final answer
    x = 14,835.72

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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.