Home / 9,579.09-13,215.45-7,067.16

Finding the Fourth Proportional to 9,579.09, 13,215.45 and 7,067.16

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Solution

The fourth proportional to 9,579.09, 13,215.45 and 7,067.16 is: 9,749.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,579.09 : 13,215.45 = 7,067.16 : x
  2. Step 2: Convert to fraction form
    9,579.09/13,215.45 = 7,067.16/x
  3. Step 3: Cross multiply
    9,579.09x = 13,215.45 × 7,067.16
  4. Step 4: Simplify right side
    9,579.09x = 93,395,699.62
  5. Step 5: Solve for x
    x = 93,395,699.62/9,579.09
  6. Step 6: Final answer
    x = 9,749.96

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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.