Home / 19,221.89-28,832.75-6,074.24

Finding the Fourth Proportional to 19,221.89, 28,832.75 and 6,074.24

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Solution

The fourth proportional to 19,221.89, 28,832.75 and 6,074.24 is: 9,111.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,221.89 : 28,832.75 = 6,074.24 : x
  2. Step 2: Convert to fraction form
    19,221.89/28,832.75 = 6,074.24/x
  3. Step 3: Cross multiply
    19,221.89x = 28,832.75 × 6,074.24
  4. Step 4: Simplify right side
    19,221.89x = 175,137,012.99
  5. Step 5: Solve for x
    x = 175,137,012.99/19,221.89
  6. Step 6: Final answer
    x = 9,111.33

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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.