Home / 17,169.86-25,752.75-4,520.90

Finding the Fourth Proportional to 17,169.86, 25,752.75 and 4,520.90

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Solution

The fourth proportional to 17,169.86, 25,752.75 and 4,520.90 is: 6,780.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,169.86 : 25,752.75 = 4,520.90 : x
  2. Step 2: Convert to fraction form
    17,169.86/25,752.75 = 4,520.90/x
  3. Step 3: Cross multiply
    17,169.86x = 25,752.75 × 4,520.90
  4. Step 4: Simplify right side
    17,169.86x = 116,425,607.48
  5. Step 5: Solve for x
    x = 116,425,607.48/17,169.86
  6. Step 6: Final answer
    x = 6,780.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.