Home / 19,860.32-27,407.31-10,907.60

Finding the Fourth Proportional to 19,860.32, 27,407.31 and 10,907.60

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Solution

The fourth proportional to 19,860.32, 27,407.31 and 10,907.60 is: 15,052.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,860.32 : 27,407.31 = 10,907.60 : x
  2. Step 2: Convert to fraction form
    19,860.32/27,407.31 = 10,907.60/x
  3. Step 3: Cross multiply
    19,860.32x = 27,407.31 × 10,907.60
  4. Step 4: Simplify right side
    19,860.32x = 298,947,857.97
  5. Step 5: Solve for x
    x = 298,947,857.97/19,860.32
  6. Step 6: Final answer
    x = 15,052.52

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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.