Home / 12,610.05-18,897.26-5,209.89

Finding the Fourth Proportional to 12,610.05, 18,897.26 and 5,209.89

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Solution

The fourth proportional to 12,610.05, 18,897.26 and 5,209.89 is: 7,807.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,610.05 : 18,897.26 = 5,209.89 : x
  2. Step 2: Convert to fraction form
    12,610.05/18,897.26 = 5,209.89/x
  3. Step 3: Cross multiply
    12,610.05x = 18,897.26 × 5,209.89
  4. Step 4: Simplify right side
    12,610.05x = 98,452,619.85
  5. Step 5: Solve for x
    x = 98,452,619.85/12,610.05
  6. Step 6: Final answer
    x = 7,807.47

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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.