Home / 19,442.09-26,832.68-10,945.86

Finding the Fourth Proportional to 19,442.09, 26,832.68 and 10,945.86

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Solution

The fourth proportional to 19,442.09, 26,832.68 and 10,945.86 is: 15,106.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,442.09 : 26,832.68 = 10,945.86 : x
  2. Step 2: Convert to fraction form
    19,442.09/26,832.68 = 10,945.86/x
  3. Step 3: Cross multiply
    19,442.09x = 26,832.68 × 10,945.86
  4. Step 4: Simplify right side
    19,442.09x = 293,706,703.98
  5. Step 5: Solve for x
    x = 293,706,703.98/19,442.09
  6. Step 6: Final answer
    x = 15,106.75

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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.