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Finding the Fourth Proportional to 12,726.95, 19,090.41 and 3,492.95

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Solution

The fourth proportional to 12,726.95, 19,090.41 and 3,492.95 is: 5,239.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726.95 : 19,090.41 = 3,492.95 : x
  2. Step 2: Convert to fraction form
    12,726.95/19,090.41 = 3,492.95/x
  3. Step 3: Cross multiply
    12,726.95x = 19,090.41 × 3,492.95
  4. Step 4: Simplify right side
    12,726.95x = 66,681,752.16
  5. Step 5: Solve for x
    x = 66,681,752.16/12,726.95
  6. Step 6: Final answer
    x = 5,239.42

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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.