Home / 18,872.69-26,042.22-11,319.35

Finding the Fourth Proportional to 18,872.69, 26,042.22 and 11,319.35

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Solution

The fourth proportional to 18,872.69, 26,042.22 and 11,319.35 is: 15,619.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,872.69 : 26,042.22 = 11,319.35 : x
  2. Step 2: Convert to fraction form
    18,872.69/26,042.22 = 11,319.35/x
  3. Step 3: Cross multiply
    18,872.69x = 26,042.22 × 11,319.35
  4. Step 4: Simplify right side
    18,872.69x = 294,780,872.75
  5. Step 5: Solve for x
    x = 294,780,872.75/18,872.69
  6. Step 6: Final answer
    x = 15,619.45

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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.