Home / 9,372.90-14,054.19-3,129.63

Finding the Fourth Proportional to 9,372.90, 14,054.19 and 3,129.63

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Solution

The fourth proportional to 9,372.90, 14,054.19 and 3,129.63 is: 4,692.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,372.90 : 14,054.19 = 3,129.63 : x
  2. Step 2: Convert to fraction form
    9,372.90/14,054.19 = 3,129.63/x
  3. Step 3: Cross multiply
    9,372.90x = 14,054.19 × 3,129.63
  4. Step 4: Simplify right side
    9,372.90x = 43,984,414.65
  5. Step 5: Solve for x
    x = 43,984,414.65/9,372.90
  6. Step 6: Final answer
    x = 4,692.72

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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.