Home / 13,050.57-19,578.87-4,285.29

Finding the Fourth Proportional to 13,050.57, 19,578.87 and 4,285.29

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Solution

The fourth proportional to 13,050.57, 19,578.87 and 4,285.29 is: 6,428.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,050.57 : 19,578.87 = 4,285.29 : x
  2. Step 2: Convert to fraction form
    13,050.57/19,578.87 = 4,285.29/x
  3. Step 3: Cross multiply
    13,050.57x = 19,578.87 × 4,285.29
  4. Step 4: Simplify right side
    13,050.57x = 83,901,135.82
  5. Step 5: Solve for x
    x = 83,901,135.82/13,050.57
  6. Step 6: Final answer
    x = 6,428.93

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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.