Home / 9,938.96-13,712.76-5,958.62

Finding the Fourth Proportional to 9,938.96, 13,712.76 and 5,958.62

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Solution

The fourth proportional to 9,938.96, 13,712.76 and 5,958.62 is: 8,221.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,938.96 : 13,712.76 = 5,958.62 : x
  2. Step 2: Convert to fraction form
    9,938.96/13,712.76 = 5,958.62/x
  3. Step 3: Cross multiply
    9,938.96x = 13,712.76 × 5,958.62
  4. Step 4: Simplify right side
    9,938.96x = 81,709,125.99
  5. Step 5: Solve for x
    x = 81,709,125.99/9,938.96
  6. Step 6: Final answer
    x = 8,221.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.