Home / 13,223.32-19,839.30-10,311.64

Finding the Fourth Proportional to 13,223.32, 19,839.30 and 10,311.64

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Solution

The fourth proportional to 13,223.32, 19,839.30 and 10,311.64 is: 15,470.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223.32 : 19,839.30 = 10,311.64 : x
  2. Step 2: Convert to fraction form
    13,223.32/19,839.30 = 10,311.64/x
  3. Step 3: Cross multiply
    13,223.32x = 19,839.30 × 10,311.64
  4. Step 4: Simplify right side
    13,223.32x = 204,575,719.45
  5. Step 5: Solve for x
    x = 204,575,719.45/13,223.32
  6. Step 6: Final answer
    x = 15,470.83

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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.