Home / 13,922.51-19,212.26-7,634.88

Finding the Fourth Proportional to 13,922.51, 19,212.26 and 7,634.88

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Solution

The fourth proportional to 13,922.51, 19,212.26 and 7,634.88 is: 10,535.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922.51 : 19,212.26 = 7,634.88 : x
  2. Step 2: Convert to fraction form
    13,922.51/19,212.26 = 7,634.88/x
  3. Step 3: Cross multiply
    13,922.51x = 19,212.26 × 7,634.88
  4. Step 4: Simplify right side
    13,922.51x = 146,683,261.45
  5. Step 5: Solve for x
    x = 146,683,261.45/13,922.51
  6. Step 6: Final answer
    x = 10,535.69

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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.