Home / 19,038.22-26,284.65-12,235

Finding the Fourth Proportional to 19,038.22, 26,284.65 and 12,235

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Solution

The fourth proportional to 19,038.22, 26,284.65 and 12,235 is: 16,891.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,038.22 : 26,284.65 = 12,235 : x
  2. Step 2: Convert to fraction form
    19,038.22/26,284.65 = 12,235/x
  3. Step 3: Cross multiply
    19,038.22x = 26,284.65 × 12,235
  4. Step 4: Simplify right side
    19,038.22x = 321,592,692.75
  5. Step 5: Solve for x
    x = 321,592,692.75/19,038.22
  6. Step 6: Final answer
    x = 16,891.95

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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.