Home / 10,994.40-16,491.20-4,418.80

Finding the Fourth Proportional to 10,994.40, 16,491.20 and 4,418.80

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Solution

The fourth proportional to 10,994.40, 16,491.20 and 4,418.80 is: 6,628.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,994.40 : 16,491.20 = 4,418.80 : x
  2. Step 2: Convert to fraction form
    10,994.40/16,491.20 = 4,418.80/x
  3. Step 3: Cross multiply
    10,994.40x = 16,491.20 × 4,418.80
  4. Step 4: Simplify right side
    10,994.40x = 72,871,314.56
  5. Step 5: Solve for x
    x = 72,871,314.56/10,994.40
  6. Step 6: Final answer
    x = 6,628.04

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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.