Home / 19,009.86-26,236.62-11,457.42

Finding the Fourth Proportional to 19,009.86, 26,236.62 and 11,457.42

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Solution

The fourth proportional to 19,009.86, 26,236.62 and 11,457.42 is: 15,813.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009.86 : 26,236.62 = 11,457.42 : x
  2. Step 2: Convert to fraction form
    19,009.86/26,236.62 = 11,457.42/x
  3. Step 3: Cross multiply
    19,009.86x = 26,236.62 × 11,457.42
  4. Step 4: Simplify right side
    19,009.86x = 300,603,974.72
  5. Step 5: Solve for x
    x = 300,603,974.72/19,009.86
  6. Step 6: Final answer
    x = 15,813.06

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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.