Home / 13,010.28-17,954.07-7,346.85

Finding the Fourth Proportional to 13,010.28, 17,954.07 and 7,346.85

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Solution

The fourth proportional to 13,010.28, 17,954.07 and 7,346.85 is: 10,138.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.28 : 17,954.07 = 7,346.85 : x
  2. Step 2: Convert to fraction form
    13,010.28/17,954.07 = 7,346.85/x
  3. Step 3: Cross multiply
    13,010.28x = 17,954.07 × 7,346.85
  4. Step 4: Simplify right side
    13,010.28x = 131,905,859.18
  5. Step 5: Solve for x
    x = 131,905,859.18/13,010.28
  6. Step 6: Final answer
    x = 10,138.59

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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.