Home / 17,991.87-26,985.36-4,845.03

Finding the Fourth Proportional to 17,991.87, 26,985.36 and 4,845.03

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Solution

The fourth proportional to 17,991.87, 26,985.36 and 4,845.03 is: 7,266.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,991.87 : 26,985.36 = 4,845.03 : x
  2. Step 2: Convert to fraction form
    17,991.87/26,985.36 = 4,845.03/x
  3. Step 3: Cross multiply
    17,991.87x = 26,985.36 × 4,845.03
  4. Step 4: Simplify right side
    17,991.87x = 130,744,878.76
  5. Step 5: Solve for x
    x = 130,744,878.76/17,991.87
  6. Step 6: Final answer
    x = 7,266.89

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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.