Home / 13,970.22-19,278.62-7,682.60

Finding the Fourth Proportional to 13,970.22, 19,278.62 and 7,682.60

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Solution

The fourth proportional to 13,970.22, 19,278.62 and 7,682.60 is: 10,601.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,970.22 : 19,278.62 = 7,682.60 : x
  2. Step 2: Convert to fraction form
    13,970.22/19,278.62 = 7,682.60/x
  3. Step 3: Cross multiply
    13,970.22x = 19,278.62 × 7,682.60
  4. Step 4: Simplify right side
    13,970.22x = 148,109,926.01
  5. Step 5: Solve for x
    x = 148,109,926.01/13,970.22
  6. Step 6: Final answer
    x = 10,601.83

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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.