Home / 11,971.02-17,956.89-5,040.66

Finding the Fourth Proportional to 11,971.02, 17,956.89 and 5,040.66

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Solution

The fourth proportional to 11,971.02, 17,956.89 and 5,040.66 is: 7,561.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971.02 : 17,956.89 = 5,040.66 : x
  2. Step 2: Convert to fraction form
    11,971.02/17,956.89 = 5,040.66/x
  3. Step 3: Cross multiply
    11,971.02x = 17,956.89 × 5,040.66
  4. Step 4: Simplify right side
    11,971.02x = 90,514,577.15
  5. Step 5: Solve for x
    x = 90,514,577.15/11,971.02
  6. Step 6: Final answer
    x = 7,561.14

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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.