Home / 14,895.23-20,555.57-8,181

Finding the Fourth Proportional to 14,895.23, 20,555.57 and 8,181

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Solution

The fourth proportional to 14,895.23, 20,555.57 and 8,181 is: 11,289.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,895.23 : 20,555.57 = 8,181 : x
  2. Step 2: Convert to fraction form
    14,895.23/20,555.57 = 8,181/x
  3. Step 3: Cross multiply
    14,895.23x = 20,555.57 × 8,181
  4. Step 4: Simplify right side
    14,895.23x = 168,165,077.27
  5. Step 5: Solve for x
    x = 168,165,077.27/14,895.23
  6. Step 6: Final answer
    x = 11,289.86

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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.