Home / 18,533.82-27,805.29-5,386.32

Finding the Fourth Proportional to 18,533.82, 27,805.29 and 5,386.32

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Solution

The fourth proportional to 18,533.82, 27,805.29 and 5,386.32 is: 8,080.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,533.82 : 27,805.29 = 5,386.32 : x
  2. Step 2: Convert to fraction form
    18,533.82/27,805.29 = 5,386.32/x
  3. Step 3: Cross multiply
    18,533.82x = 27,805.29 × 5,386.32
  4. Step 4: Simplify right side
    18,533.82x = 149,768,189.63
  5. Step 5: Solve for x
    x = 149,768,189.63/18,533.82
  6. Step 6: Final answer
    x = 8,080.81

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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.