Home / 10,994.30-16,496.85-4,420.70

Finding the Fourth Proportional to 10,994.30, 16,496.85 and 4,420.70

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Solution

The fourth proportional to 10,994.30, 16,496.85 and 4,420.70 is: 6,633.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,994.30 : 16,496.85 = 4,420.70 : x
  2. Step 2: Convert to fraction form
    10,994.30/16,496.85 = 4,420.70/x
  3. Step 3: Cross multiply
    10,994.30x = 16,496.85 × 4,420.70
  4. Step 4: Simplify right side
    10,994.30x = 72,927,624.80
  5. Step 5: Solve for x
    x = 72,927,624.80/10,994.30
  6. Step 6: Final answer
    x = 6,633.22

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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.