Home / 9,412.57-14,115.25-3,170.90

Finding the Fourth Proportional to 9,412.57, 14,115.25 and 3,170.90

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Solution

The fourth proportional to 9,412.57, 14,115.25 and 3,170.90 is: 4,755.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,412.57 : 14,115.25 = 3,170.90 : x
  2. Step 2: Convert to fraction form
    9,412.57/14,115.25 = 3,170.90/x
  3. Step 3: Cross multiply
    9,412.57x = 14,115.25 × 3,170.90
  4. Step 4: Simplify right side
    9,412.57x = 44,758,030.37
  5. Step 5: Solve for x
    x = 44,758,030.37/9,412.57
  6. Step 6: Final answer
    x = 4,755.14

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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.