Home / 14,026.14-19,356.30-7,738.56

Finding the Fourth Proportional to 14,026.14, 19,356.30 and 7,738.56

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Solution

The fourth proportional to 14,026.14, 19,356.30 and 7,738.56 is: 10,679.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,026.14 : 19,356.30 = 7,738.56 : x
  2. Step 2: Convert to fraction form
    14,026.14/19,356.30 = 7,738.56/x
  3. Step 3: Cross multiply
    14,026.14x = 19,356.30 × 7,738.56
  4. Step 4: Simplify right side
    14,026.14x = 149,789,888.93
  5. Step 5: Solve for x
    x = 149,789,888.93/14,026.14
  6. Step 6: Final answer
    x = 10,679.34

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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.