Home / 13,940.88-19,237.75-7,567.32

Finding the Fourth Proportional to 13,940.88, 19,237.75 and 7,567.32

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Solution

The fourth proportional to 13,940.88, 19,237.75 and 7,567.32 is: 10,442.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,940.88 : 19,237.75 = 7,567.32 : x
  2. Step 2: Convert to fraction form
    13,940.88/19,237.75 = 7,567.32/x
  3. Step 3: Cross multiply
    13,940.88x = 19,237.75 × 7,567.32
  4. Step 4: Simplify right side
    13,940.88x = 145,578,306.12
  5. Step 5: Solve for x
    x = 145,578,306.12/13,940.88
  6. Step 6: Final answer
    x = 10,442.55

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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.