Home / 13,185.73-19,776.47-4,869.66

Finding the Fourth Proportional to 13,185.73, 19,776.47 and 4,869.66

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Solution

The fourth proportional to 13,185.73, 19,776.47 and 4,869.66 is: 7,303.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,185.73 : 19,776.47 = 4,869.66 : x
  2. Step 2: Convert to fraction form
    13,185.73/19,776.47 = 4,869.66/x
  3. Step 3: Cross multiply
    13,185.73x = 19,776.47 × 4,869.66
  4. Step 4: Simplify right side
    13,185.73x = 96,304,734.71
  5. Step 5: Solve for x
    x = 96,304,734.71/13,185.73
  6. Step 6: Final answer
    x = 7,303.71

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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.