Home / 12,333.44-17,018.40-7,028.48

Finding the Fourth Proportional to 12,333.44, 17,018.40 and 7,028.48

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Solution

The fourth proportional to 12,333.44, 17,018.40 and 7,028.48 is: 9,698.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,333.44 : 17,018.40 = 7,028.48 : x
  2. Step 2: Convert to fraction form
    12,333.44/17,018.40 = 7,028.48/x
  3. Step 3: Cross multiply
    12,333.44x = 17,018.40 × 7,028.48
  4. Step 4: Simplify right side
    12,333.44x = 119,613,484.03
  5. Step 5: Solve for x
    x = 119,613,484.03/12,333.44
  6. Step 6: Final answer
    x = 9,698.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.