Home / 18,055.40-27,083.80-5,574.32

Finding the Fourth Proportional to 18,055.40, 27,083.80 and 5,574.32

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Solution

The fourth proportional to 18,055.40, 27,083.80 and 5,574.32 is: 8,361.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,055.40 : 27,083.80 = 5,574.32 : x
  2. Step 2: Convert to fraction form
    18,055.40/27,083.80 = 5,574.32/x
  3. Step 3: Cross multiply
    18,055.40x = 27,083.80 × 5,574.32
  4. Step 4: Simplify right side
    18,055.40x = 150,973,768.02
  5. Step 5: Solve for x
    x = 150,973,768.02/18,055.40
  6. Step 6: Final answer
    x = 8,361.70

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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.