Home / 18,888.26-28,335.63-5,741.96

Finding the Fourth Proportional to 18,888.26, 28,335.63 and 5,741.96

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Solution

The fourth proportional to 18,888.26, 28,335.63 and 5,741.96 is: 8,613.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,888.26 : 28,335.63 = 5,741.96 : x
  2. Step 2: Convert to fraction form
    18,888.26/28,335.63 = 5,741.96/x
  3. Step 3: Cross multiply
    18,888.26x = 28,335.63 × 5,741.96
  4. Step 4: Simplify right side
    18,888.26x = 162,702,054.03
  5. Step 5: Solve for x
    x = 162,702,054.03/18,888.26
  6. Step 6: Final answer
    x = 8,613.92

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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.