Home / 10,855.80-16,283.40-3,460.70

Finding the Fourth Proportional to 10,855.80, 16,283.40 and 3,460.70

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Solution

The fourth proportional to 10,855.80, 16,283.40 and 3,460.70 is: 5,190.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,855.80 : 16,283.40 = 3,460.70 : x
  2. Step 2: Convert to fraction form
    10,855.80/16,283.40 = 3,460.70/x
  3. Step 3: Cross multiply
    10,855.80x = 16,283.40 × 3,460.70
  4. Step 4: Simplify right side
    10,855.80x = 56,351,962.38
  5. Step 5: Solve for x
    x = 56,351,962.38/10,855.80
  6. Step 6: Final answer
    x = 5,190.95

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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.