Home / 18,256.23-27,387.72-5,779.40

Finding the Fourth Proportional to 18,256.23, 27,387.72 and 5,779.40

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Solution

The fourth proportional to 18,256.23, 27,387.72 and 5,779.40 is: 8,670.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256.23 : 27,387.72 = 5,779.40 : x
  2. Step 2: Convert to fraction form
    18,256.23/27,387.72 = 5,779.40/x
  3. Step 3: Cross multiply
    18,256.23x = 27,387.72 × 5,779.40
  4. Step 4: Simplify right side
    18,256.23x = 158,284,452.03
  5. Step 5: Solve for x
    x = 158,284,452.03/18,256.23
  6. Step 6: Final answer
    x = 8,670.16

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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.