Home / 13,699.98-20,550.89-4,814.23

Finding the Fourth Proportional to 13,699.98, 20,550.89 and 4,814.23

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Solution

The fourth proportional to 13,699.98, 20,550.89 and 4,814.23 is: 7,221.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,699.98 : 20,550.89 = 4,814.23 : x
  2. Step 2: Convert to fraction form
    13,699.98/20,550.89 = 4,814.23/x
  3. Step 3: Cross multiply
    13,699.98x = 20,550.89 × 4,814.23
  4. Step 4: Simplify right side
    13,699.98x = 98,936,711.16
  5. Step 5: Solve for x
    x = 98,936,711.16/13,699.98
  6. Step 6: Final answer
    x = 7,221.67

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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.