Home / 16,821.57-23,213.46-9,748.65

Finding the Fourth Proportional to 16,821.57, 23,213.46 and 9,748.65

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Solution

The fourth proportional to 16,821.57, 23,213.46 and 9,748.65 is: 13,452.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821.57 : 23,213.46 = 9,748.65 : x
  2. Step 2: Convert to fraction form
    16,821.57/23,213.46 = 9,748.65/x
  3. Step 3: Cross multiply
    16,821.57x = 23,213.46 × 9,748.65
  4. Step 4: Simplify right side
    16,821.57x = 226,299,896.83
  5. Step 5: Solve for x
    x = 226,299,896.83/16,821.57
  6. Step 6: Final answer
    x = 13,452.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.