Home / 10,806.10-16,209.15-8,983.60

Finding the Fourth Proportional to 10,806.10, 16,209.15 and 8,983.60

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Solution

The fourth proportional to 10,806.10, 16,209.15 and 8,983.60 is: 13,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,806.10 : 16,209.15 = 8,983.60 : x
  2. Step 2: Convert to fraction form
    10,806.10/16,209.15 = 8,983.60/x
  3. Step 3: Cross multiply
    10,806.10x = 16,209.15 × 8,983.60
  4. Step 4: Simplify right side
    10,806.10x = 145,616,519.94
  5. Step 5: Solve for x
    x = 145,616,519.94/10,806.10
  6. Step 6: Final answer
    x = 13,475.40

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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.