Home / 19,907.47-27,474.15-10,956.79

Finding the Fourth Proportional to 19,907.47, 27,474.15 and 10,956.79

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Solution

The fourth proportional to 19,907.47, 27,474.15 and 10,956.79 is: 15,121.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,907.47 : 27,474.15 = 10,956.79 : x
  2. Step 2: Convert to fraction form
    19,907.47/27,474.15 = 10,956.79/x
  3. Step 3: Cross multiply
    19,907.47x = 27,474.15 × 10,956.79
  4. Step 4: Simplify right side
    19,907.47x = 301,028,491.98
  5. Step 5: Solve for x
    x = 301,028,491.98/19,907.47
  6. Step 6: Final answer
    x = 15,121.38

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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.