Home / 16,030.85-22,111.09-11,251.86

Finding the Fourth Proportional to 16,030.85, 22,111.09 and 11,251.86

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Solution

The fourth proportional to 16,030.85, 22,111.09 and 11,251.86 is: 15,519.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,030.85 : 22,111.09 = 11,251.86 : x
  2. Step 2: Convert to fraction form
    16,030.85/22,111.09 = 11,251.86/x
  3. Step 3: Cross multiply
    16,030.85x = 22,111.09 × 11,251.86
  4. Step 4: Simplify right side
    16,030.85x = 248,790,806.70
  5. Step 5: Solve for x
    x = 248,790,806.70/16,030.85
  6. Step 6: Final answer
    x = 15,519.51

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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.