Home / 18,924.08-28,385.96-6,445.38

Finding the Fourth Proportional to 18,924.08, 28,385.96 and 6,445.38

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Solution

The fourth proportional to 18,924.08, 28,385.96 and 6,445.38 is: 9,668.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924.08 : 28,385.96 = 6,445.38 : x
  2. Step 2: Convert to fraction form
    18,924.08/28,385.96 = 6,445.38/x
  3. Step 3: Cross multiply
    18,924.08x = 28,385.96 × 6,445.38
  4. Step 4: Simplify right side
    18,924.08x = 182,958,298.86
  5. Step 5: Solve for x
    x = 182,958,298.86/18,924.08
  6. Step 6: Final answer
    x = 9,668.02

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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.