Home / 20,467.36-28,242.96-11,514.67

Finding the Fourth Proportional to 20,467.36, 28,242.96 and 11,514.67

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Solution

The fourth proportional to 20,467.36, 28,242.96 and 11,514.67 is: 15,889.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,467.36 : 28,242.96 = 11,514.67 : x
  2. Step 2: Convert to fraction form
    20,467.36/28,242.96 = 11,514.67/x
  3. Step 3: Cross multiply
    20,467.36x = 28,242.96 × 11,514.67
  4. Step 4: Simplify right side
    20,467.36x = 325,208,364.22
  5. Step 5: Solve for x
    x = 325,208,364.22/20,467.36
  6. Step 6: Final answer
    x = 15,889.12

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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.