Home / 13,204.85-19,814.98-4,890.68

Finding the Fourth Proportional to 13,204.85, 19,814.98 and 4,890.68

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Solution

The fourth proportional to 13,204.85, 19,814.98 and 4,890.68 is: 7,338.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,204.85 : 19,814.98 = 4,890.68 : x
  2. Step 2: Convert to fraction form
    13,204.85/19,814.98 = 4,890.68/x
  3. Step 3: Cross multiply
    13,204.85x = 19,814.98 × 4,890.68
  4. Step 4: Simplify right side
    13,204.85x = 96,908,698.56
  5. Step 5: Solve for x
    x = 96,908,698.56/13,204.85
  6. Step 6: Final answer
    x = 7,338.87

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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.