Home / 13,057.20-19,583.77-4,292.05

Finding the Fourth Proportional to 13,057.20, 19,583.77 and 4,292.05

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Solution

The fourth proportional to 13,057.20, 19,583.77 and 4,292.05 is: 6,437.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057.20 : 19,583.77 = 4,292.05 : x
  2. Step 2: Convert to fraction form
    13,057.20/19,583.77 = 4,292.05/x
  3. Step 3: Cross multiply
    13,057.20x = 19,583.77 × 4,292.05
  4. Step 4: Simplify right side
    13,057.20x = 84,054,520.03
  5. Step 5: Solve for x
    x = 84,054,520.03/13,057.20
  6. Step 6: Final answer
    x = 6,437.41

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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.