Home / 19,090.82-28,629.36-6,607.45

Finding the Fourth Proportional to 19,090.82, 28,629.36 and 6,607.45

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Solution

The fourth proportional to 19,090.82, 28,629.36 and 6,607.45 is: 9,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,090.82 : 28,629.36 = 6,607.45 : x
  2. Step 2: Convert to fraction form
    19,090.82/28,629.36 = 6,607.45/x
  3. Step 3: Cross multiply
    19,090.82x = 28,629.36 × 6,607.45
  4. Step 4: Simplify right side
    19,090.82x = 189,167,064.73
  5. Step 5: Solve for x
    x = 189,167,064.73/19,090.82
  6. Step 6: Final answer
    x = 9,908.80

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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.