Home / 19,305.35-28,903.41-12,267.92

Finding the Fourth Proportional to 19,305.35, 28,903.41 and 12,267.92

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Solution

The fourth proportional to 19,305.35, 28,903.41 and 12,267.92 is: 18,367.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,305.35 : 28,903.41 = 12,267.92 : x
  2. Step 2: Convert to fraction form
    19,305.35/28,903.41 = 12,267.92/x
  3. Step 3: Cross multiply
    19,305.35x = 28,903.41 × 12,267.92
  4. Step 4: Simplify right side
    19,305.35x = 354,584,577.09
  5. Step 5: Solve for x
    x = 354,584,577.09/19,305.35
  6. Step 6: Final answer
    x = 18,367.17

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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.