Home / 18,735.09-28,094.39-9,967.92

Finding the Fourth Proportional to 18,735.09, 28,094.39 and 9,967.92

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Solution

The fourth proportional to 18,735.09, 28,094.39 and 9,967.92 is: 14,947.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,735.09 : 28,094.39 = 9,967.92 : x
  2. Step 2: Convert to fraction form
    18,735.09/28,094.39 = 9,967.92/x
  3. Step 3: Cross multiply
    18,735.09x = 28,094.39 × 9,967.92
  4. Step 4: Simplify right side
    18,735.09x = 280,042,631.97
  5. Step 5: Solve for x
    x = 280,042,631.97/18,735.09
  6. Step 6: Final answer
    x = 14,947.49

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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.