Home / 12,968.22-17,895.12-7,302.54

Finding the Fourth Proportional to 12,968.22, 17,895.12 and 7,302.54

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Solution

The fourth proportional to 12,968.22, 17,895.12 and 7,302.54 is: 10,076.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,968.22 : 17,895.12 = 7,302.54 : x
  2. Step 2: Convert to fraction form
    12,968.22/17,895.12 = 7,302.54/x
  3. Step 3: Cross multiply
    12,968.22x = 17,895.12 × 7,302.54
  4. Step 4: Simplify right side
    12,968.22x = 130,679,829.60
  5. Step 5: Solve for x
    x = 130,679,829.60/12,968.22
  6. Step 6: Final answer
    x = 10,076.93

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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.