Home / 18,826.08-28,214.72-14,109.04

Finding the Fourth Proportional to 18,826.08, 28,214.72 and 14,109.04

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Solution

The fourth proportional to 18,826.08, 28,214.72 and 14,109.04 is: 21,145.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.08 : 28,214.72 = 14,109.04 : x
  2. Step 2: Convert to fraction form
    18,826.08/28,214.72 = 14,109.04/x
  3. Step 3: Cross multiply
    18,826.08x = 28,214.72 × 14,109.04
  4. Step 4: Simplify right side
    18,826.08x = 398,082,613.07
  5. Step 5: Solve for x
    x = 398,082,613.07/18,826.08
  6. Step 6: Final answer
    x = 21,145.27

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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.