Home / 13,223.28-19,827.63-5,422.98

Finding the Fourth Proportional to 13,223.28, 19,827.63 and 5,422.98

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Solution

The fourth proportional to 13,223.28, 19,827.63 and 5,422.98 is: 8,131.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223.28 : 19,827.63 = 5,422.98 : x
  2. Step 2: Convert to fraction form
    13,223.28/19,827.63 = 5,422.98/x
  3. Step 3: Cross multiply
    13,223.28x = 19,827.63 × 5,422.98
  4. Step 4: Simplify right side
    13,223.28x = 107,524,840.94
  5. Step 5: Solve for x
    x = 107,524,840.94/13,223.28
  6. Step 6: Final answer
    x = 8,131.48

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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.