Home / 13,912.77-19,199.39-7,625.01

Finding the Fourth Proportional to 13,912.77, 19,199.39 and 7,625.01

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Solution

The fourth proportional to 13,912.77, 19,199.39 and 7,625.01 is: 10,522.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,912.77 : 19,199.39 = 7,625.01 : x
  2. Step 2: Convert to fraction form
    13,912.77/19,199.39 = 7,625.01/x
  3. Step 3: Cross multiply
    13,912.77x = 19,199.39 × 7,625.01
  4. Step 4: Simplify right side
    13,912.77x = 146,395,502.62
  5. Step 5: Solve for x
    x = 146,395,502.62/13,912.77
  6. Step 6: Final answer
    x = 10,522.38

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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.