Home / 12,971.83-19,458.14-5,074.03

Finding the Fourth Proportional to 12,971.83, 19,458.14 and 5,074.03

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Solution

The fourth proportional to 12,971.83, 19,458.14 and 5,074.03 is: 7,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,971.83 : 19,458.14 = 5,074.03 : x
  2. Step 2: Convert to fraction form
    12,971.83/19,458.14 = 5,074.03/x
  3. Step 3: Cross multiply
    12,971.83x = 19,458.14 × 5,074.03
  4. Step 4: Simplify right side
    12,971.83x = 98,731,186.10
  5. Step 5: Solve for x
    x = 98,731,186.10/12,971.83
  6. Step 6: Final answer
    x = 7,611.20

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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.