Home / 13,836.84-18,961.91-12,508.32

Finding the Fourth Proportional to 13,836.84, 18,961.91 and 12,508.32

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Solution

The fourth proportional to 13,836.84, 18,961.91 and 12,508.32 is: 17,141.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.84 : 18,961.91 = 12,508.32 : x
  2. Step 2: Convert to fraction form
    13,836.84/18,961.91 = 12,508.32/x
  3. Step 3: Cross multiply
    13,836.84x = 18,961.91 × 12,508.32
  4. Step 4: Simplify right side
    13,836.84x = 237,181,575.55
  5. Step 5: Solve for x
    x = 237,181,575.55/13,836.84
  6. Step 6: Final answer
    x = 17,141.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.