Home / 9,429.49-14,146.26-3,189.21

Finding the Fourth Proportional to 9,429.49, 14,146.26 and 3,189.21

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Solution

The fourth proportional to 9,429.49, 14,146.26 and 3,189.21 is: 4,784.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.49 : 14,146.26 = 3,189.21 : x
  2. Step 2: Convert to fraction form
    9,429.49/14,146.26 = 3,189.21/x
  3. Step 3: Cross multiply
    9,429.49x = 14,146.26 × 3,189.21
  4. Step 4: Simplify right side
    9,429.49x = 45,115,393.85
  5. Step 5: Solve for x
    x = 45,115,393.85/9,429.49
  6. Step 6: Final answer
    x = 4,784.50

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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.