Home / 18,837.63-28,256.31-4,797.53

Finding the Fourth Proportional to 18,837.63, 28,256.31 and 4,797.53

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Solution

The fourth proportional to 18,837.63, 28,256.31 and 4,797.53 is: 7,196.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,837.63 : 28,256.31 = 4,797.53 : x
  2. Step 2: Convert to fraction form
    18,837.63/28,256.31 = 4,797.53/x
  3. Step 3: Cross multiply
    18,837.63x = 28,256.31 × 4,797.53
  4. Step 4: Simplify right side
    18,837.63x = 135,560,459.59
  5. Step 5: Solve for x
    x = 135,560,459.59/18,837.63
  6. Step 6: Final answer
    x = 7,196.26

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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.