Home / 13,014.88-19,518.54-7,467.28

Finding the Fourth Proportional to 13,014.88, 19,518.54 and 7,467.28

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Solution

The fourth proportional to 13,014.88, 19,518.54 and 7,467.28 is: 11,198.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,014.88 : 19,518.54 = 7,467.28 : x
  2. Step 2: Convert to fraction form
    13,014.88/19,518.54 = 7,467.28/x
  3. Step 3: Cross multiply
    13,014.88x = 19,518.54 × 7,467.28
  4. Step 4: Simplify right side
    13,014.88x = 145,750,403.37
  5. Step 5: Solve for x
    x = 145,750,403.37/13,014.88
  6. Step 6: Final answer
    x = 11,198.75

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1.5x scale

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.