Home / 15,379.55-23,069.31-11,874.68

Finding the Fourth Proportional to 15,379.55, 23,069.31 and 11,874.68

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Solution

The fourth proportional to 15,379.55, 23,069.31 and 11,874.68 is: 17,812.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,379.55 : 23,069.31 = 11,874.68 : x
  2. Step 2: Convert to fraction form
    15,379.55/23,069.31 = 11,874.68/x
  3. Step 3: Cross multiply
    15,379.55x = 23,069.31 × 11,874.68
  4. Step 4: Simplify right side
    15,379.55x = 273,940,730.47
  5. Step 5: Solve for x
    x = 273,940,730.47/15,379.55
  6. Step 6: Final answer
    x = 17,812.01

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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.