Home / 12,968.28-19,450.56-7,403.58

Finding the Fourth Proportional to 12,968.28, 19,450.56 and 7,403.58

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Solution

The fourth proportional to 12,968.28, 19,450.56 and 7,403.58 is: 11,104.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,968.28 : 19,450.56 = 7,403.58 : x
  2. Step 2: Convert to fraction form
    12,968.28/19,450.56 = 7,403.58/x
  3. Step 3: Cross multiply
    12,968.28x = 19,450.56 × 7,403.58
  4. Step 4: Simplify right side
    12,968.28x = 144,003,777.00
  5. Step 5: Solve for x
    x = 144,003,777.00/12,968.28
  6. Step 6: Final answer
    x = 11,104.31

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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.