Home / 19,170.44-28,726.36-12,907.32

Finding the Fourth Proportional to 19,170.44, 28,726.36 and 12,907.32

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Solution

The fourth proportional to 19,170.44, 28,726.36 and 12,907.32 is: 19,341.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170.44 : 28,726.36 = 12,907.32 : x
  2. Step 2: Convert to fraction form
    19,170.44/28,726.36 = 12,907.32/x
  3. Step 3: Cross multiply
    19,170.44x = 28,726.36 × 12,907.32
  4. Step 4: Simplify right side
    19,170.44x = 370,780,320.96
  5. Step 5: Solve for x
    x = 370,780,320.96/19,170.44
  6. Step 6: Final answer
    x = 19,341.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.