Home / 16,019.10-22,113.68-11,422.76

Finding the Fourth Proportional to 16,019.10, 22,113.68 and 11,422.76

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Solution

The fourth proportional to 16,019.10, 22,113.68 and 11,422.76 is: 15,768.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,019.10 : 22,113.68 = 11,422.76 : x
  2. Step 2: Convert to fraction form
    16,019.10/22,113.68 = 11,422.76/x
  3. Step 3: Cross multiply
    16,019.10x = 22,113.68 × 11,422.76
  4. Step 4: Simplify right side
    16,019.10x = 252,599,091.67
  5. Step 5: Solve for x
    x = 252,599,091.67/16,019.10
  6. Step 6: Final answer
    x = 15,768.62

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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.