Home / 13,231-19,836.74-6,310.36

Finding the Fourth Proportional to 13,231, 19,836.74 and 6,310.36

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Solution

The fourth proportional to 13,231, 19,836.74 and 6,310.36 is: 9,460.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231 : 19,836.74 = 6,310.36 : x
  2. Step 2: Convert to fraction form
    13,231/19,836.74 = 6,310.36/x
  3. Step 3: Cross multiply
    13,231x = 19,836.74 × 6,310.36
  4. Step 4: Simplify right side
    13,231x = 125,176,970.63
  5. Step 5: Solve for x
    x = 125,176,970.63/13,231
  6. Step 6: Final answer
    x = 9,460.89

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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.