Home / 22,035.87-30,415.37-13,080.51

Finding the Fourth Proportional to 22,035.87, 30,415.37 and 13,080.51

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Solution

The fourth proportional to 22,035.87, 30,415.37 and 13,080.51 is: 18,054.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,035.87 : 30,415.37 = 13,080.51 : x
  2. Step 2: Convert to fraction form
    22,035.87/30,415.37 = 13,080.51/x
  3. Step 3: Cross multiply
    22,035.87x = 30,415.37 × 13,080.51
  4. Step 4: Simplify right side
    22,035.87x = 397,848,486.04
  5. Step 5: Solve for x
    x = 397,848,486.04/22,035.87
  6. Step 6: Final answer
    x = 18,054.58

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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.