Home / 13,301.38-19,954.01-7,059.79

Finding the Fourth Proportional to 13,301.38, 19,954.01 and 7,059.79

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Solution

The fourth proportional to 13,301.38, 19,954.01 and 7,059.79 is: 10,590.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.38 : 19,954.01 = 7,059.79 : x
  2. Step 2: Convert to fraction form
    13,301.38/19,954.01 = 7,059.79/x
  3. Step 3: Cross multiply
    13,301.38x = 19,954.01 × 7,059.79
  4. Step 4: Simplify right side
    13,301.38x = 140,871,120.26
  5. Step 5: Solve for x
    x = 140,871,120.26/13,301.38
  6. Step 6: Final answer
    x = 10,590.71

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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.