Home / 19,859.67-27,405.81-10,907.10

Finding the Fourth Proportional to 19,859.67, 27,405.81 and 10,907.10

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Solution

The fourth proportional to 19,859.67, 27,405.81 and 10,907.10 is: 15,051.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,859.67 : 27,405.81 = 10,907.10 : x
  2. Step 2: Convert to fraction form
    19,859.67/27,405.81 = 10,907.10/x
  3. Step 3: Cross multiply
    19,859.67x = 27,405.81 × 10,907.10
  4. Step 4: Simplify right side
    19,859.67x = 298,917,910.25
  5. Step 5: Solve for x
    x = 298,917,910.25/19,859.67
  6. Step 6: Final answer
    x = 15,051.50

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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.