Home / 14,635.80-21,951.45-4,775.09

Finding the Fourth Proportional to 14,635.80, 21,951.45 and 4,775.09

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Solution

The fourth proportional to 14,635.80, 21,951.45 and 4,775.09 is: 7,161.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,635.80 : 21,951.45 = 4,775.09 : x
  2. Step 2: Convert to fraction form
    14,635.80/21,951.45 = 4,775.09/x
  3. Step 3: Cross multiply
    14,635.80x = 21,951.45 × 4,775.09
  4. Step 4: Simplify right side
    14,635.80x = 104,820,039.62
  5. Step 5: Solve for x
    x = 104,820,039.62/14,635.80
  6. Step 6: Final answer
    x = 7,161.89

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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.