Home / 9,429.73-14,144.33-3,189.69

Finding the Fourth Proportional to 9,429.73, 14,144.33 and 3,189.69

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Solution

The fourth proportional to 9,429.73, 14,144.33 and 3,189.69 is: 4,784.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.73 : 14,144.33 = 3,189.69 : x
  2. Step 2: Convert to fraction form
    9,429.73/14,144.33 = 3,189.69/x
  3. Step 3: Cross multiply
    9,429.73x = 14,144.33 × 3,189.69
  4. Step 4: Simplify right side
    9,429.73x = 45,116,035.93
  5. Step 5: Solve for x
    x = 45,116,035.93/9,429.73
  6. Step 6: Final answer
    x = 4,784.45

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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.