Home / 13,249.68-19,875.44-4,481.63

Finding the Fourth Proportional to 13,249.68, 19,875.44 and 4,481.63

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Solution

The fourth proportional to 13,249.68, 19,875.44 and 4,481.63 is: 6,722.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.68 : 19,875.44 = 4,481.63 : x
  2. Step 2: Convert to fraction form
    13,249.68/19,875.44 = 4,481.63/x
  3. Step 3: Cross multiply
    13,249.68x = 19,875.44 × 4,481.63
  4. Step 4: Simplify right side
    13,249.68x = 89,074,368.17
  5. Step 5: Solve for x
    x = 89,074,368.17/13,249.68
  6. Step 6: Final answer
    x = 6,722.76

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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.