Home / 13,071.13-19,606.76-3,210.41

Finding the Fourth Proportional to 13,071.13, 19,606.76 and 3,210.41

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Solution

The fourth proportional to 13,071.13, 19,606.76 and 3,210.41 is: 4,815.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,071.13 : 19,606.76 = 3,210.41 : x
  2. Step 2: Convert to fraction form
    13,071.13/19,606.76 = 3,210.41/x
  3. Step 3: Cross multiply
    13,071.13x = 19,606.76 × 3,210.41
  4. Step 4: Simplify right side
    13,071.13x = 62,945,738.37
  5. Step 5: Solve for x
    x = 62,945,738.37/13,071.13
  6. Step 6: Final answer
    x = 4,815.63

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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.