Home / 22,176.94-30,604.18-15,115.70

Finding the Fourth Proportional to 22,176.94, 30,604.18 and 15,115.70

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Solution

The fourth proportional to 22,176.94, 30,604.18 and 15,115.70 is: 20,859.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,176.94 : 30,604.18 = 15,115.70 : x
  2. Step 2: Convert to fraction form
    22,176.94/30,604.18 = 15,115.70/x
  3. Step 3: Cross multiply
    22,176.94x = 30,604.18 × 15,115.70
  4. Step 4: Simplify right side
    22,176.94x = 462,603,603.63
  5. Step 5: Solve for x
    x = 462,603,603.63/22,176.94
  6. Step 6: Final answer
    x = 20,859.67

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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.