Home / 13,219.23-19,828.86-4,453.41

Finding the Fourth Proportional to 13,219.23, 19,828.86 and 4,453.41

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Solution

The fourth proportional to 13,219.23, 19,828.86 and 4,453.41 is: 6,680.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,219.23 : 19,828.86 = 4,453.41 : x
  2. Step 2: Convert to fraction form
    13,219.23/19,828.86 = 4,453.41/x
  3. Step 3: Cross multiply
    13,219.23x = 19,828.86 × 4,453.41
  4. Step 4: Simplify right side
    13,219.23x = 88,306,043.41
  5. Step 5: Solve for x
    x = 88,306,043.41/13,219.23
  6. Step 6: Final answer
    x = 6,680.12

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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.