Home / 18,259.79-27,392.82-5,779.62

Finding the Fourth Proportional to 18,259.79, 27,392.82 and 5,779.62

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Solution

The fourth proportional to 18,259.79, 27,392.82 and 5,779.62 is: 8,670.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,259.79 : 27,392.82 = 5,779.62 : x
  2. Step 2: Convert to fraction form
    18,259.79/27,392.82 = 5,779.62/x
  3. Step 3: Cross multiply
    18,259.79x = 27,392.82 × 5,779.62
  4. Step 4: Simplify right side
    18,259.79x = 158,320,090.33
  5. Step 5: Solve for x
    x = 158,320,090.33/18,259.79
  6. Step 6: Final answer
    x = 8,670.42

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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.