Home / 18,701.68-28,052.44-7,608.28

Finding the Fourth Proportional to 18,701.68, 28,052.44 and 7,608.28

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Solution

The fourth proportional to 18,701.68, 28,052.44 and 7,608.28 is: 11,412.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701.68 : 28,052.44 = 7,608.28 : x
  2. Step 2: Convert to fraction form
    18,701.68/28,052.44 = 7,608.28/x
  3. Step 3: Cross multiply
    18,701.68x = 28,052.44 × 7,608.28
  4. Step 4: Simplify right side
    18,701.68x = 213,430,748.07
  5. Step 5: Solve for x
    x = 213,430,748.07/18,701.68
  6. Step 6: Final answer
    x = 11,412.38

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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.