Home / 14,895.72-20,555.74-8,181.33

Finding the Fourth Proportional to 14,895.72, 20,555.74 and 8,181.33

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Solution

The fourth proportional to 14,895.72, 20,555.74 and 8,181.33 is: 11,290.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,895.72 : 20,555.74 = 8,181.33 : x
  2. Step 2: Convert to fraction form
    14,895.72/20,555.74 = 8,181.33/x
  3. Step 3: Cross multiply
    14,895.72x = 20,555.74 × 8,181.33
  4. Step 4: Simplify right side
    14,895.72x = 168,173,292.33
  5. Step 5: Solve for x
    x = 168,173,292.33/14,895.72
  6. Step 6: Final answer
    x = 11,290.04

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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.