Home / 12,954.30-19,427.81-3,592.05

Finding the Fourth Proportional to 12,954.30, 19,427.81 and 3,592.05

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Solution

The fourth proportional to 12,954.30, 19,427.81 and 3,592.05 is: 5,387.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,954.30 : 19,427.81 = 3,592.05 : x
  2. Step 2: Convert to fraction form
    12,954.30/19,427.81 = 3,592.05/x
  3. Step 3: Cross multiply
    12,954.30x = 19,427.81 × 3,592.05
  4. Step 4: Simplify right side
    12,954.30x = 69,785,646.95
  5. Step 5: Solve for x
    x = 69,785,646.95/12,954.30
  6. Step 6: Final answer
    x = 5,387.06

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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.