Home / 19,626.69-27,084.25-11,129.58

Finding the Fourth Proportional to 19,626.69, 27,084.25 and 11,129.58

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Solution

The fourth proportional to 19,626.69, 27,084.25 and 11,129.58 is: 15,358.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,626.69 : 27,084.25 = 11,129.58 : x
  2. Step 2: Convert to fraction form
    19,626.69/27,084.25 = 11,129.58/x
  3. Step 3: Cross multiply
    19,626.69x = 27,084.25 × 11,129.58
  4. Step 4: Simplify right side
    19,626.69x = 301,436,400.86
  5. Step 5: Solve for x
    x = 301,436,400.86/19,626.69
  6. Step 6: Final answer
    x = 15,358.50

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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.