Home / 14,556.72-20,083.36-8,889.42

Finding the Fourth Proportional to 14,556.72, 20,083.36 and 8,889.42

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Solution

The fourth proportional to 14,556.72, 20,083.36 and 8,889.42 is: 12,264.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,556.72 : 20,083.36 = 8,889.42 : x
  2. Step 2: Convert to fraction form
    14,556.72/20,083.36 = 8,889.42/x
  3. Step 3: Cross multiply
    14,556.72x = 20,083.36 × 8,889.42
  4. Step 4: Simplify right side
    14,556.72x = 178,529,422.05
  5. Step 5: Solve for x
    x = 178,529,422.05/14,556.72
  6. Step 6: Final answer
    x = 12,264.40

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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.