Home / 14,676.72-21,960.50-8,756.78

Finding the Fourth Proportional to 14,676.72, 21,960.50 and 8,756.78

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Solution

The fourth proportional to 14,676.72, 21,960.50 and 8,756.78 is: 13,102.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,676.72 : 21,960.50 = 8,756.78 : x
  2. Step 2: Convert to fraction form
    14,676.72/21,960.50 = 8,756.78/x
  3. Step 3: Cross multiply
    14,676.72x = 21,960.50 × 8,756.78
  4. Step 4: Simplify right side
    14,676.72x = 192,303,267.19
  5. Step 5: Solve for x
    x = 192,303,267.19/14,676.72
  6. Step 6: Final answer
    x = 13,102.61

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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.