Home / 19,247.03-28,880.13-10,808.30

Finding the Fourth Proportional to 19,247.03, 28,880.13 and 10,808.30

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Solution

The fourth proportional to 19,247.03, 28,880.13 and 10,808.30 is: 16,217.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,247.03 : 28,880.13 = 10,808.30 : x
  2. Step 2: Convert to fraction form
    19,247.03/28,880.13 = 10,808.30/x
  3. Step 3: Cross multiply
    19,247.03x = 28,880.13 × 10,808.30
  4. Step 4: Simplify right side
    19,247.03x = 312,145,161.01
  5. Step 5: Solve for x
    x = 312,145,161.01/19,247.03
  6. Step 6: Final answer
    x = 16,217.83

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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.