Home / 21,952.86-30,295.03-11,881.30

Finding the Fourth Proportional to 21,952.86, 30,295.03 and 11,881.30

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Solution

The fourth proportional to 21,952.86, 30,295.03 and 11,881.30 is: 16,396.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,952.86 : 30,295.03 = 11,881.30 : x
  2. Step 2: Convert to fraction form
    21,952.86/30,295.03 = 11,881.30/x
  3. Step 3: Cross multiply
    21,952.86x = 30,295.03 × 11,881.30
  4. Step 4: Simplify right side
    21,952.86x = 359,944,339.94
  5. Step 5: Solve for x
    x = 359,944,339.94/21,952.86
  6. Step 6: Final answer
    x = 16,396.24

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1.5x scale

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.