Home / 13,969.38-20,967.83-10,261.20

Finding the Fourth Proportional to 13,969.38, 20,967.83 and 10,261.20

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Solution

The fourth proportional to 13,969.38, 20,967.83 and 10,261.20 is: 15,401.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,969.38 : 20,967.83 = 10,261.20 : x
  2. Step 2: Convert to fraction form
    13,969.38/20,967.83 = 10,261.20/x
  3. Step 3: Cross multiply
    13,969.38x = 20,967.83 × 10,261.20
  4. Step 4: Simplify right side
    13,969.38x = 215,154,992.36
  5. Step 5: Solve for x
    x = 215,154,992.36/13,969.38
  6. Step 6: Final answer
    x = 15,401.91

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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.