Home / 20,466.63-28,243.74-11,514.18

Finding the Fourth Proportional to 20,466.63, 28,243.74 and 11,514.18

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Solution

The fourth proportional to 20,466.63, 28,243.74 and 11,514.18 is: 15,889.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,466.63 : 28,243.74 = 11,514.18 : x
  2. Step 2: Convert to fraction form
    20,466.63/28,243.74 = 11,514.18/x
  3. Step 3: Cross multiply
    20,466.63x = 28,243.74 × 11,514.18
  4. Step 4: Simplify right side
    20,466.63x = 325,203,506.23
  5. Step 5: Solve for x
    x = 325,203,506.23/20,466.63
  6. Step 6: Final answer
    x = 15,889.45

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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.