Home / 9,418.36-14,128.08-3,574.84

Finding the Fourth Proportional to 9,418.36, 14,128.08 and 3,574.84

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Solution

The fourth proportional to 9,418.36, 14,128.08 and 3,574.84 is: 5,362.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.36 : 14,128.08 = 3,574.84 : x
  2. Step 2: Convert to fraction form
    9,418.36/14,128.08 = 3,574.84/x
  3. Step 3: Cross multiply
    9,418.36x = 14,128.08 × 3,574.84
  4. Step 4: Simplify right side
    9,418.36x = 50,505,625.51
  5. Step 5: Solve for x
    x = 50,505,625.51/9,418.36
  6. Step 6: Final answer
    x = 5,362.46

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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.