Home / 13,071.66-19,605.12-3,835.50

Finding the Fourth Proportional to 13,071.66, 19,605.12 and 3,835.50

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Solution

The fourth proportional to 13,071.66, 19,605.12 and 3,835.50 is: 5,752.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,071.66 : 19,605.12 = 3,835.50 : x
  2. Step 2: Convert to fraction form
    13,071.66/19,605.12 = 3,835.50/x
  3. Step 3: Cross multiply
    13,071.66x = 19,605.12 × 3,835.50
  4. Step 4: Simplify right side
    13,071.66x = 75,195,437.76
  5. Step 5: Solve for x
    x = 75,195,437.76/13,071.66
  6. Step 6: Final answer
    x = 5,752.55

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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.