Home / 19,955.18-27,537.80-11,002.66

Finding the Fourth Proportional to 19,955.18, 27,537.80 and 11,002.66

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Solution

The fourth proportional to 19,955.18, 27,537.80 and 11,002.66 is: 15,183.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955.18 : 27,537.80 = 11,002.66 : x
  2. Step 2: Convert to fraction form
    19,955.18/27,537.80 = 11,002.66/x
  3. Step 3: Cross multiply
    19,955.18x = 27,537.80 × 11,002.66
  4. Step 4: Simplify right side
    19,955.18x = 302,989,050.55
  5. Step 5: Solve for x
    x = 302,989,050.55/19,955.18
  6. Step 6: Final answer
    x = 15,183.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.