Home / 19,155.45-26,429.36-11,199.63

Finding the Fourth Proportional to 19,155.45, 26,429.36 and 11,199.63

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Solution

The fourth proportional to 19,155.45, 26,429.36 and 11,199.63 is: 15,452.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155.45 : 26,429.36 = 11,199.63 : x
  2. Step 2: Convert to fraction form
    19,155.45/26,429.36 = 11,199.63/x
  3. Step 3: Cross multiply
    19,155.45x = 26,429.36 × 11,199.63
  4. Step 4: Simplify right side
    19,155.45x = 295,998,997.14
  5. Step 5: Solve for x
    x = 295,998,997.14/19,155.45
  6. Step 6: Final answer
    x = 15,452.47

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Double scale
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Similar ratio
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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.