Home / 10,994.40-16,492.39-4,420.60

Finding the Fourth Proportional to 10,994.40, 16,492.39 and 4,420.60

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Solution

The fourth proportional to 10,994.40, 16,492.39 and 4,420.60 is: 6,631.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,994.40 : 16,492.39 = 4,420.60 : x
  2. Step 2: Convert to fraction form
    10,994.40/16,492.39 = 4,420.60/x
  3. Step 3: Cross multiply
    10,994.40x = 16,492.39 × 4,420.60
  4. Step 4: Simplify right side
    10,994.40x = 72,906,206.95
  5. Step 5: Solve for x
    x = 72,906,206.95/10,994.40
  6. Step 6: Final answer
    x = 6,631.21

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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.