Home / 25,178.86-34,747.70-13,849.21

Finding the Fourth Proportional to 25,178.86, 34,747.70 and 13,849.21

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Solution

The fourth proportional to 25,178.86, 34,747.70 and 13,849.21 is: 19,112.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,178.86 : 34,747.70 = 13,849.21 : x
  2. Step 2: Convert to fraction form
    25,178.86/34,747.70 = 13,849.21/x
  3. Step 3: Cross multiply
    25,178.86x = 34,747.70 × 13,849.21
  4. Step 4: Simplify right side
    25,178.86x = 481,228,125.07
  5. Step 5: Solve for x
    x = 481,228,125.07/25,178.86
  6. Step 6: Final answer
    x = 19,112.39

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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.