Home / 19,950.98-27,531.16-10,998.86

Finding the Fourth Proportional to 19,950.98, 27,531.16 and 10,998.86

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Solution

The fourth proportional to 19,950.98, 27,531.16 and 10,998.86 is: 15,177.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,950.98 : 27,531.16 = 10,998.86 : x
  2. Step 2: Convert to fraction form
    19,950.98/27,531.16 = 10,998.86/x
  3. Step 3: Cross multiply
    19,950.98x = 27,531.16 × 10,998.86
  4. Step 4: Simplify right side
    19,950.98x = 302,811,209.32
  5. Step 5: Solve for x
    x = 302,811,209.32/19,950.98
  6. Step 6: Final answer
    x = 15,177.76

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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.