Home / 19,484.36-29,230.87-9,090.44

Finding the Fourth Proportional to 19,484.36, 29,230.87 and 9,090.44

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Solution

The fourth proportional to 19,484.36, 29,230.87 and 9,090.44 is: 13,637.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,484.36 : 29,230.87 = 9,090.44 : x
  2. Step 2: Convert to fraction form
    19,484.36/29,230.87 = 9,090.44/x
  3. Step 3: Cross multiply
    19,484.36x = 29,230.87 × 9,090.44
  4. Step 4: Simplify right side
    19,484.36x = 265,721,469.88
  5. Step 5: Solve for x
    x = 265,721,469.88/19,484.36
  6. Step 6: Final answer
    x = 13,637.68

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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.