Home / 18,255.86-27,387.16-5,779.02

Finding the Fourth Proportional to 18,255.86, 27,387.16 and 5,779.02

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Solution

The fourth proportional to 18,255.86, 27,387.16 and 5,779.02 is: 8,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255.86 : 27,387.16 = 5,779.02 : x
  2. Step 2: Convert to fraction form
    18,255.86/27,387.16 = 5,779.02/x
  3. Step 3: Cross multiply
    18,255.86x = 27,387.16 × 5,779.02
  4. Step 4: Simplify right side
    18,255.86x = 158,270,945.38
  5. Step 5: Solve for x
    x = 158,270,945.38/18,255.86
  6. Step 6: Final answer
    x = 8,669.60

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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.