Home / 20,907.24-28,852.38-11,476.14

Finding the Fourth Proportional to 20,907.24, 28,852.38 and 11,476.14

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Solution

The fourth proportional to 20,907.24, 28,852.38 and 11,476.14 is: 15,837.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,907.24 : 28,852.38 = 11,476.14 : x
  2. Step 2: Convert to fraction form
    20,907.24/28,852.38 = 11,476.14/x
  3. Step 3: Cross multiply
    20,907.24x = 28,852.38 × 11,476.14
  4. Step 4: Simplify right side
    20,907.24x = 331,113,952.21
  5. Step 5: Solve for x
    x = 331,113,952.21/20,907.24
  6. Step 6: Final answer
    x = 15,837.29

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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.