Home / 19,504.50-26,921.01-11,125.86

Finding the Fourth Proportional to 19,504.50, 26,921.01 and 11,125.86

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Solution

The fourth proportional to 19,504.50, 26,921.01 and 11,125.86 is: 15,356.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,504.50 : 26,921.01 = 11,125.86 : x
  2. Step 2: Convert to fraction form
    19,504.50/26,921.01 = 11,125.86/x
  3. Step 3: Cross multiply
    19,504.50x = 26,921.01 × 11,125.86
  4. Step 4: Simplify right side
    19,504.50x = 299,519,388.32
  5. Step 5: Solve for x
    x = 299,519,388.32/19,504.50
  6. Step 6: Final answer
    x = 15,356.42

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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.