Home / 13,245.96-19,871.22-4,480.92

Finding the Fourth Proportional to 13,245.96, 19,871.22 and 4,480.92

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Solution

The fourth proportional to 13,245.96, 19,871.22 and 4,480.92 is: 6,722.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245.96 : 19,871.22 = 4,480.92 : x
  2. Step 2: Convert to fraction form
    13,245.96/19,871.22 = 4,480.92/x
  3. Step 3: Cross multiply
    13,245.96x = 19,871.22 × 4,480.92
  4. Step 4: Simplify right side
    13,245.96x = 89,041,347.12
  5. Step 5: Solve for x
    x = 89,041,347.12/13,245.96
  6. Step 6: Final answer
    x = 6,722.15

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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.