Home / 19,860.48-27,407.58-10,907.82

Finding the Fourth Proportional to 19,860.48, 27,407.58 and 10,907.82

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Solution

The fourth proportional to 19,860.48, 27,407.58 and 10,907.82 is: 15,052.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,860.48 : 27,407.58 = 10,907.82 : x
  2. Step 2: Convert to fraction form
    19,860.48/27,407.58 = 10,907.82/x
  3. Step 3: Cross multiply
    19,860.48x = 27,407.58 × 10,907.82
  4. Step 4: Simplify right side
    19,860.48x = 298,956,949.28
  5. Step 5: Solve for x
    x = 298,956,949.28/19,860.48
  6. Step 6: Final answer
    x = 15,052.86

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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.