Home / 25,091.86-34,626.77-13,913.86

Finding the Fourth Proportional to 25,091.86, 34,626.77 and 13,913.86

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Solution

The fourth proportional to 25,091.86, 34,626.77 and 13,913.86 is: 19,201.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,091.86 : 34,626.77 = 13,913.86 : x
  2. Step 2: Convert to fraction form
    25,091.86/34,626.77 = 13,913.86/x
  3. Step 3: Cross multiply
    25,091.86x = 34,626.77 × 13,913.86
  4. Step 4: Simplify right side
    25,091.86x = 481,791,951.87
  5. Step 5: Solve for x
    x = 481,791,951.87/25,091.86
  6. Step 6: Final answer
    x = 19,201.13

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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.