Home / 18,259.62-27,394.26-5,779.86

Finding the Fourth Proportional to 18,259.62, 27,394.26 and 5,779.86

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Solution

The fourth proportional to 18,259.62, 27,394.26 and 5,779.86 is: 8,671.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,259.62 : 27,394.26 = 5,779.86 : x
  2. Step 2: Convert to fraction form
    18,259.62/27,394.26 = 5,779.86/x
  3. Step 3: Cross multiply
    18,259.62x = 27,394.26 × 5,779.86
  4. Step 4: Simplify right side
    18,259.62x = 158,334,987.60
  5. Step 5: Solve for x
    x = 158,334,987.60/18,259.62
  6. Step 6: Final answer
    x = 8,671.32

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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.