Home / 9,579.15-13,218.44-5,599.85

Finding the Fourth Proportional to 9,579.15, 13,218.44 and 5,599.85

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Solution

The fourth proportional to 9,579.15, 13,218.44 and 5,599.85 is: 7,727.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,579.15 : 13,218.44 = 5,599.85 : x
  2. Step 2: Convert to fraction form
    9,579.15/13,218.44 = 5,599.85/x
  3. Step 3: Cross multiply
    9,579.15x = 13,218.44 × 5,599.85
  4. Step 4: Simplify right side
    9,579.15x = 74,021,187.14
  5. Step 5: Solve for x
    x = 74,021,187.14/9,579.15
  6. Step 6: Final answer
    x = 7,727.32

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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.