Home / 11,178.55-16,775.50-4,604.72

Finding the Fourth Proportional to 11,178.55, 16,775.50 and 4,604.72

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Solution

The fourth proportional to 11,178.55, 16,775.50 and 4,604.72 is: 6,910.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178.55 : 16,775.50 = 4,604.72 : x
  2. Step 2: Convert to fraction form
    11,178.55/16,775.50 = 4,604.72/x
  3. Step 3: Cross multiply
    11,178.55x = 16,775.50 × 4,604.72
  4. Step 4: Simplify right side
    11,178.55x = 77,246,510.79
  5. Step 5: Solve for x
    x = 77,246,510.79/11,178.55
  6. Step 6: Final answer
    x = 6,910.25

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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.