Home / 18,577.63-27,877.25-7,485.31

Finding the Fourth Proportional to 18,577.63, 27,877.25 and 7,485.31

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Solution

The fourth proportional to 18,577.63, 27,877.25 and 7,485.31 is: 11,232.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,577.63 : 27,877.25 = 7,485.31 : x
  2. Step 2: Convert to fraction form
    18,577.63/27,877.25 = 7,485.31/x
  3. Step 3: Cross multiply
    18,577.63x = 27,877.25 × 7,485.31
  4. Step 4: Simplify right side
    18,577.63x = 208,669,858.20
  5. Step 5: Solve for x
    x = 208,669,858.20/18,577.63
  6. Step 6: Final answer
    x = 11,232.32

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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.