Home / 12,730.03-19,091.40-4,407.89

Finding the Fourth Proportional to 12,730.03, 19,091.40 and 4,407.89

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Solution

The fourth proportional to 12,730.03, 19,091.40 and 4,407.89 is: 6,610.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,730.03 : 19,091.40 = 4,407.89 : x
  2. Step 2: Convert to fraction form
    12,730.03/19,091.40 = 4,407.89/x
  3. Step 3: Cross multiply
    12,730.03x = 19,091.40 × 4,407.89
  4. Step 4: Simplify right side
    12,730.03x = 84,152,791.15
  5. Step 5: Solve for x
    x = 84,152,791.15/12,730.03
  6. Step 6: Final answer
    x = 6,610.57

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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.