Home / 19,066.08-28,610.32-7,971.90

Finding the Fourth Proportional to 19,066.08, 28,610.32 and 7,971.90

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Solution

The fourth proportional to 19,066.08, 28,610.32 and 7,971.90 is: 11,962.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,066.08 : 28,610.32 = 7,971.90 : x
  2. Step 2: Convert to fraction form
    19,066.08/28,610.32 = 7,971.90/x
  3. Step 3: Cross multiply
    19,066.08x = 28,610.32 × 7,971.90
  4. Step 4: Simplify right side
    19,066.08x = 228,078,610.01
  5. Step 5: Solve for x
    x = 228,078,610.01/19,066.08
  6. Step 6: Final answer
    x = 11,962.53

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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.