Home / 14,181.55-19,570.21-8,879.29

Finding the Fourth Proportional to 14,181.55, 19,570.21 and 8,879.29

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Solution

The fourth proportional to 14,181.55, 19,570.21 and 8,879.29 is: 12,253.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.55 : 19,570.21 = 8,879.29 : x
  2. Step 2: Convert to fraction form
    14,181.55/19,570.21 = 8,879.29/x
  3. Step 3: Cross multiply
    14,181.55x = 19,570.21 × 8,879.29
  4. Step 4: Simplify right side
    14,181.55x = 173,769,569.95
  5. Step 5: Solve for x
    x = 173,769,569.95/14,181.55
  6. Step 6: Final answer
    x = 12,253.21

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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.