Home / 13,253.63-19,879.23-4,487.54

Finding the Fourth Proportional to 13,253.63, 19,879.23 and 4,487.54

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Solution

The fourth proportional to 13,253.63, 19,879.23 and 4,487.54 is: 6,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253.63 : 19,879.23 = 4,487.54 : x
  2. Step 2: Convert to fraction form
    13,253.63/19,879.23 = 4,487.54/x
  3. Step 3: Cross multiply
    13,253.63x = 19,879.23 × 4,487.54
  4. Step 4: Simplify right side
    13,253.63x = 89,208,839.79
  5. Step 5: Solve for x
    x = 89,208,839.79/13,253.63
  6. Step 6: Final answer
    x = 6,730.90

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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.