Home / 19,217.67-28,834.20-9,354.30

Finding the Fourth Proportional to 19,217.67, 28,834.20 and 9,354.30

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Solution

The fourth proportional to 19,217.67, 28,834.20 and 9,354.30 is: 14,035.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,217.67 : 28,834.20 = 9,354.30 : x
  2. Step 2: Convert to fraction form
    19,217.67/28,834.20 = 9,354.30/x
  3. Step 3: Cross multiply
    19,217.67x = 28,834.20 × 9,354.30
  4. Step 4: Simplify right side
    19,217.67x = 269,723,757.06
  5. Step 5: Solve for x
    x = 269,723,757.06/19,217.67
  6. Step 6: Final answer
    x = 14,035.20

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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.