Home / 19,460.44-29,200.38-7,777

Finding the Fourth Proportional to 19,460.44, 29,200.38 and 7,777

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Solution

The fourth proportional to 19,460.44, 29,200.38 and 7,777 is: 11,669.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,460.44 : 29,200.38 = 7,777 : x
  2. Step 2: Convert to fraction form
    19,460.44/29,200.38 = 7,777/x
  3. Step 3: Cross multiply
    19,460.44x = 29,200.38 × 7,777
  4. Step 4: Simplify right side
    19,460.44x = 227,091,355.26
  5. Step 5: Solve for x
    x = 227,091,355.26/19,460.44
  6. Step 6: Final answer
    x = 11,669.38

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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.