Home / 19,784.44-29,677.57-11,012.75

Finding the Fourth Proportional to 19,784.44, 29,677.57 and 11,012.75

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Solution

The fourth proportional to 19,784.44, 29,677.57 and 11,012.75 is: 16,519.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,784.44 : 29,677.57 = 11,012.75 : x
  2. Step 2: Convert to fraction form
    19,784.44/29,677.57 = 11,012.75/x
  3. Step 3: Cross multiply
    19,784.44x = 29,677.57 × 11,012.75
  4. Step 4: Simplify right side
    19,784.44x = 326,831,659.02
  5. Step 5: Solve for x
    x = 326,831,659.02/19,784.44
  6. Step 6: Final answer
    x = 16,519.63

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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.