Home / 12,713.67-19,077.80-4,923.09

Finding the Fourth Proportional to 12,713.67, 19,077.80 and 4,923.09

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Solution

The fourth proportional to 12,713.67, 19,077.80 and 4,923.09 is: 7,387.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,713.67 : 19,077.80 = 4,923.09 : x
  2. Step 2: Convert to fraction form
    12,713.67/19,077.80 = 4,923.09/x
  3. Step 3: Cross multiply
    12,713.67x = 19,077.80 × 4,923.09
  4. Step 4: Simplify right side
    12,713.67x = 93,921,701.79
  5. Step 5: Solve for x
    x = 93,921,701.79/12,713.67
  6. Step 6: Final answer
    x = 7,387.46

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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.