Home / 13,940.78-19,237.62-7,567.23

Finding the Fourth Proportional to 13,940.78, 19,237.62 and 7,567.23

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Solution

The fourth proportional to 13,940.78, 19,237.62 and 7,567.23 is: 10,442.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,940.78 : 19,237.62 = 7,567.23 : x
  2. Step 2: Convert to fraction form
    13,940.78/19,237.62 = 7,567.23/x
  3. Step 3: Cross multiply
    13,940.78x = 19,237.62 × 7,567.23
  4. Step 4: Simplify right side
    13,940.78x = 145,575,495.19
  5. Step 5: Solve for x
    x = 145,575,495.19/13,940.78
  6. Step 6: Final answer
    x = 10,442.42

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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.