Home / 19,454.34-26,814.70-13,781.82

Finding the Fourth Proportional to 19,454.34, 26,814.70 and 13,781.82

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Solution

The fourth proportional to 19,454.34, 26,814.70 and 13,781.82 is: 18,996.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,454.34 : 26,814.70 = 13,781.82 : x
  2. Step 2: Convert to fraction form
    19,454.34/26,814.70 = 13,781.82/x
  3. Step 3: Cross multiply
    19,454.34x = 26,814.70 × 13,781.82
  4. Step 4: Simplify right side
    19,454.34x = 369,555,368.75
  5. Step 5: Solve for x
    x = 369,555,368.75/19,454.34
  6. Step 6: Final answer
    x = 18,996.04

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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.