Home / 12,962.44-19,463.10-7,422.04

Finding the Fourth Proportional to 12,962.44, 19,463.10 and 7,422.04

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Solution

The fourth proportional to 12,962.44, 19,463.10 and 7,422.04 is: 11,144.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,962.44 : 19,463.10 = 7,422.04 : x
  2. Step 2: Convert to fraction form
    12,962.44/19,463.10 = 7,422.04/x
  3. Step 3: Cross multiply
    12,962.44x = 19,463.10 × 7,422.04
  4. Step 4: Simplify right side
    12,962.44x = 144,455,906.72
  5. Step 5: Solve for x
    x = 144,455,906.72/12,962.44
  6. Step 6: Final answer
    x = 11,144.19

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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.