Home / 13,217.76-19,821.84-4,450.08

Finding the Fourth Proportional to 13,217.76, 19,821.84 and 4,450.08

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Solution

The fourth proportional to 13,217.76, 19,821.84 and 4,450.08 is: 6,673.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217.76 : 19,821.84 = 4,450.08 : x
  2. Step 2: Convert to fraction form
    13,217.76/19,821.84 = 4,450.08/x
  3. Step 3: Cross multiply
    13,217.76x = 19,821.84 × 4,450.08
  4. Step 4: Simplify right side
    13,217.76x = 88,208,773.75
  5. Step 5: Solve for x
    x = 88,208,773.75/13,217.76
  6. Step 6: Final answer
    x = 6,673.50

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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.