Home / 13,252.05-19,878.06-3,391.34

Finding the Fourth Proportional to 13,252.05, 19,878.06 and 3,391.34

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Solution

The fourth proportional to 13,252.05, 19,878.06 and 3,391.34 is: 5,087.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.05 : 19,878.06 = 3,391.34 : x
  2. Step 2: Convert to fraction form
    13,252.05/19,878.06 = 3,391.34/x
  3. Step 3: Cross multiply
    13,252.05x = 19,878.06 × 3,391.34
  4. Step 4: Simplify right side
    13,252.05x = 67,413,160.61
  5. Step 5: Solve for x
    x = 67,413,160.61/13,252.05
  6. Step 6: Final answer
    x = 5,087.00

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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.