Home / 10,995.40-16,492.70-4,419.80

Finding the Fourth Proportional to 10,995.40, 16,492.70 and 4,419.80

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Solution

The fourth proportional to 10,995.40, 16,492.70 and 4,419.80 is: 6,629.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,995.40 : 16,492.70 = 4,419.80 : x
  2. Step 2: Convert to fraction form
    10,995.40/16,492.70 = 4,419.80/x
  3. Step 3: Cross multiply
    10,995.40x = 16,492.70 × 4,419.80
  4. Step 4: Simplify right side
    10,995.40x = 72,894,435.46
  5. Step 5: Solve for x
    x = 72,894,435.46/10,995.40
  6. Step 6: Final answer
    x = 6,629.54

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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.