Home / 14,554.24-20,083.20-8,181.28

Finding the Fourth Proportional to 14,554.24, 20,083.20 and 8,181.28

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Solution

The fourth proportional to 14,554.24, 20,083.20 and 8,181.28 is: 11,289.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,554.24 : 20,083.20 = 8,181.28 : x
  2. Step 2: Convert to fraction form
    14,554.24/20,083.20 = 8,181.28/x
  3. Step 3: Cross multiply
    14,554.24x = 20,083.20 × 8,181.28
  4. Step 4: Simplify right side
    14,554.24x = 164,306,282.50
  5. Step 5: Solve for x
    x = 164,306,282.50/14,554.24
  6. Step 6: Final answer
    x = 11,289.24

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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.