Home / 13,173.03-19,761.44-4,285.44

Finding the Fourth Proportional to 13,173.03, 19,761.44 and 4,285.44

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Solution

The fourth proportional to 13,173.03, 19,761.44 and 4,285.44 is: 6,428.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.03 : 19,761.44 = 4,285.44 : x
  2. Step 2: Convert to fraction form
    13,173.03/19,761.44 = 4,285.44/x
  3. Step 3: Cross multiply
    13,173.03x = 19,761.44 × 4,285.44
  4. Step 4: Simplify right side
    13,173.03x = 84,686,444.01
  5. Step 5: Solve for x
    x = 84,686,444.01/13,173.03
  6. Step 6: Final answer
    x = 6,428.77

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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.