Home / 19,017.58-26,235.42-12,305.37

Finding the Fourth Proportional to 19,017.58, 26,235.42 and 12,305.37

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Solution

The fourth proportional to 19,017.58, 26,235.42 and 12,305.37 is: 16,975.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,017.58 : 26,235.42 = 12,305.37 : x
  2. Step 2: Convert to fraction form
    19,017.58/26,235.42 = 12,305.37/x
  3. Step 3: Cross multiply
    19,017.58x = 26,235.42 × 12,305.37
  4. Step 4: Simplify right side
    19,017.58x = 322,836,648.59
  5. Step 5: Solve for x
    x = 322,836,648.59/19,017.58
  6. Step 6: Final answer
    x = 16,975.69

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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.