Home / 11,205.20-16,810.05-3,307.70

Finding the Fourth Proportional to 11,205.20, 16,810.05 and 3,307.70

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Solution

The fourth proportional to 11,205.20, 16,810.05 and 3,307.70 is: 4,962.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205.20 : 16,810.05 = 3,307.70 : x
  2. Step 2: Convert to fraction form
    11,205.20/16,810.05 = 3,307.70/x
  3. Step 3: Cross multiply
    11,205.20x = 16,810.05 × 3,307.70
  4. Step 4: Simplify right side
    11,205.20x = 55,602,602.39
  5. Step 5: Solve for x
    x = 55,602,602.39/11,205.20
  6. Step 6: Final answer
    x = 4,962.21

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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.