Home / 12,501.12-18,744.66-4,176.75

Finding the Fourth Proportional to 12,501.12, 18,744.66 and 4,176.75

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Solution

The fourth proportional to 12,501.12, 18,744.66 and 4,176.75 is: 6,262.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,501.12 : 18,744.66 = 4,176.75 : x
  2. Step 2: Convert to fraction form
    12,501.12/18,744.66 = 4,176.75/x
  3. Step 3: Cross multiply
    12,501.12x = 18,744.66 × 4,176.75
  4. Step 4: Simplify right side
    12,501.12x = 78,291,758.66
  5. Step 5: Solve for x
    x = 78,291,758.66/12,501.12
  6. Step 6: Final answer
    x = 6,262.78

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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.