Home / 19,907.85-27,472.14-10,955.27

Finding the Fourth Proportional to 19,907.85, 27,472.14 and 10,955.27

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Solution

The fourth proportional to 19,907.85, 27,472.14 and 10,955.27 is: 15,117.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,907.85 : 27,472.14 = 10,955.27 : x
  2. Step 2: Convert to fraction form
    19,907.85/27,472.14 = 10,955.27/x
  3. Step 3: Cross multiply
    19,907.85x = 27,472.14 × 10,955.27
  4. Step 4: Simplify right side
    19,907.85x = 300,964,573.82
  5. Step 5: Solve for x
    x = 300,964,573.82/19,907.85
  6. Step 6: Final answer
    x = 15,117.88

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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.