Home / 19,188.26-28,729.25-9,808.08

Finding the Fourth Proportional to 19,188.26, 28,729.25 and 9,808.08

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Solution

The fourth proportional to 19,188.26, 28,729.25 and 9,808.08 is: 14,684.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.26 : 28,729.25 = 9,808.08 : x
  2. Step 2: Convert to fraction form
    19,188.26/28,729.25 = 9,808.08/x
  3. Step 3: Cross multiply
    19,188.26x = 28,729.25 × 9,808.08
  4. Step 4: Simplify right side
    19,188.26x = 281,778,879.12
  5. Step 5: Solve for x
    x = 281,778,879.12/19,188.26
  6. Step 6: Final answer
    x = 14,684.96

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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.