Home / 11,205.17-16,807.75-3,307.79

Finding the Fourth Proportional to 11,205.17, 16,807.75 and 3,307.79

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Solution

The fourth proportional to 11,205.17, 16,807.75 and 3,307.79 is: 4,961.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205.17 : 16,807.75 = 3,307.79 : x
  2. Step 2: Convert to fraction form
    11,205.17/16,807.75 = 3,307.79/x
  3. Step 3: Cross multiply
    11,205.17x = 16,807.75 × 3,307.79
  4. Step 4: Simplify right side
    11,205.17x = 55,596,406.79
  5. Step 5: Solve for x
    x = 55,596,406.79/11,205.17
  6. Step 6: Final answer
    x = 4,961.68

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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.