Home / 9,429.44-14,144.20-3,189.50

Finding the Fourth Proportional to 9,429.44, 14,144.20 and 3,189.50

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Solution

The fourth proportional to 9,429.44, 14,144.20 and 3,189.50 is: 4,784.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.44 : 14,144.20 = 3,189.50 : x
  2. Step 2: Convert to fraction form
    9,429.44/14,144.20 = 3,189.50/x
  3. Step 3: Cross multiply
    9,429.44x = 14,144.20 × 3,189.50
  4. Step 4: Simplify right side
    9,429.44x = 45,112,925.90
  5. Step 5: Solve for x
    x = 45,112,925.90/9,429.44
  6. Step 6: Final answer
    x = 4,784.26

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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.