Home / 18,970.07-28,435.97-6,481.59

Finding the Fourth Proportional to 18,970.07, 28,435.97 and 6,481.59

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Solution

The fourth proportional to 18,970.07, 28,435.97 and 6,481.59 is: 9,715.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,970.07 : 28,435.97 = 6,481.59 : x
  2. Step 2: Convert to fraction form
    18,970.07/28,435.97 = 6,481.59/x
  3. Step 3: Cross multiply
    18,970.07x = 28,435.97 × 6,481.59
  4. Step 4: Simplify right side
    18,970.07x = 184,310,208.36
  5. Step 5: Solve for x
    x = 184,310,208.36/18,970.07
  6. Step 6: Final answer
    x = 9,715.84

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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.