Home / 13,940.58-19,237.91-7,567.29

Finding the Fourth Proportional to 13,940.58, 19,237.91 and 7,567.29

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Solution

The fourth proportional to 13,940.58, 19,237.91 and 7,567.29 is: 10,442.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,940.58 : 19,237.91 = 7,567.29 : x
  2. Step 2: Convert to fraction form
    13,940.58/19,237.91 = 7,567.29/x
  3. Step 3: Cross multiply
    13,940.58x = 19,237.91 × 7,567.29
  4. Step 4: Simplify right side
    13,940.58x = 145,578,843.96
  5. Step 5: Solve for x
    x = 145,578,843.96/13,940.58
  6. Step 6: Final answer
    x = 10,442.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.