Home / 12,968.46-17,857.23-10,868.94

Finding the Fourth Proportional to 12,968.46, 17,857.23 and 10,868.94

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Solution

The fourth proportional to 12,968.46, 17,857.23 and 10,868.94 is: 14,966.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,968.46 : 17,857.23 = 10,868.94 : x
  2. Step 2: Convert to fraction form
    12,968.46/17,857.23 = 10,868.94/x
  3. Step 3: Cross multiply
    12,968.46x = 17,857.23 × 10,868.94
  4. Step 4: Simplify right side
    12,968.46x = 194,089,161.44
  5. Step 5: Solve for x
    x = 194,089,161.44/12,968.46
  6. Step 6: Final answer
    x = 14,966.25

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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.