Home / 14,895.61-20,556.11-8,181.40

Finding the Fourth Proportional to 14,895.61, 20,556.11 and 8,181.40

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Solution

The fourth proportional to 14,895.61, 20,556.11 and 8,181.40 is: 11,290.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,895.61 : 20,556.11 = 8,181.40 : x
  2. Step 2: Convert to fraction form
    14,895.61/20,556.11 = 8,181.40/x
  3. Step 3: Cross multiply
    14,895.61x = 20,556.11 × 8,181.40
  4. Step 4: Simplify right side
    14,895.61x = 168,177,700.38
  5. Step 5: Solve for x
    x = 168,177,700.38/14,895.61
  6. Step 6: Final answer
    x = 11,290.42

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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.