Home / 11,209.95-16,805.50-4,880.10

Finding the Fourth Proportional to 11,209.95, 16,805.50 and 4,880.10

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Solution

The fourth proportional to 11,209.95, 16,805.50 and 4,880.10 is: 7,316.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.95 : 16,805.50 = 4,880.10 : x
  2. Step 2: Convert to fraction form
    11,209.95/16,805.50 = 4,880.10/x
  3. Step 3: Cross multiply
    11,209.95x = 16,805.50 × 4,880.10
  4. Step 4: Simplify right side
    11,209.95x = 82,012,520.55
  5. Step 5: Solve for x
    x = 82,012,520.55/11,209.95
  6. Step 6: Final answer
    x = 7,316.05

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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.