Home / 18,847.75-28,284.59-6,535.75

Finding the Fourth Proportional to 18,847.75, 28,284.59 and 6,535.75

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Solution

The fourth proportional to 18,847.75, 28,284.59 and 6,535.75 is: 9,808.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,847.75 : 28,284.59 = 6,535.75 : x
  2. Step 2: Convert to fraction form
    18,847.75/28,284.59 = 6,535.75/x
  3. Step 3: Cross multiply
    18,847.75x = 28,284.59 × 6,535.75
  4. Step 4: Simplify right side
    18,847.75x = 184,860,976.41
  5. Step 5: Solve for x
    x = 184,860,976.41/18,847.75
  6. Step 6: Final answer
    x = 9,808.12

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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.