Home / 14,216.64-21,370.88-13,181.44

Finding the Fourth Proportional to 14,216.64, 21,370.88 and 13,181.44

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Solution

The fourth proportional to 14,216.64, 21,370.88 and 13,181.44 is: 19,814.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,216.64 : 21,370.88 = 13,181.44 : x
  2. Step 2: Convert to fraction form
    14,216.64/21,370.88 = 13,181.44/x
  3. Step 3: Cross multiply
    14,216.64x = 21,370.88 × 13,181.44
  4. Step 4: Simplify right side
    14,216.64x = 281,698,972.47
  5. Step 5: Solve for x
    x = 281,698,972.47/14,216.64
  6. Step 6: Final answer
    x = 19,814.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.