Home / 11,834.20-17,751.30-9,890.20

Finding the Fourth Proportional to 11,834.20, 17,751.30 and 9,890.20

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Solution

The fourth proportional to 11,834.20, 17,751.30 and 9,890.20 is: 14,835.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,834.20 : 17,751.30 = 9,890.20 : x
  2. Step 2: Convert to fraction form
    11,834.20/17,751.30 = 9,890.20/x
  3. Step 3: Cross multiply
    11,834.20x = 17,751.30 × 9,890.20
  4. Step 4: Simplify right side
    11,834.20x = 175,563,907.26
  5. Step 5: Solve for x
    x = 175,563,907.26/11,834.20
  6. Step 6: Final answer
    x = 14,835.30

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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.