Home / 11,423.55-17,102.50-8,441.94

Finding the Fourth Proportional to 11,423.55, 17,102.50 and 8,441.94

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Solution

The fourth proportional to 11,423.55, 17,102.50 and 8,441.94 is: 12,638.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,423.55 : 17,102.50 = 8,441.94 : x
  2. Step 2: Convert to fraction form
    11,423.55/17,102.50 = 8,441.94/x
  3. Step 3: Cross multiply
    11,423.55x = 17,102.50 × 8,441.94
  4. Step 4: Simplify right side
    11,423.55x = 144,378,278.85
  5. Step 5: Solve for x
    x = 144,378,278.85/11,423.55
  6. Step 6: Final answer
    x = 12,638.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.