Home / 13,021.44-19,523.52-4,253.28

Finding the Fourth Proportional to 13,021.44, 19,523.52 and 4,253.28

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Solution

The fourth proportional to 13,021.44, 19,523.52 and 4,253.28 is: 6,377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021.44 : 19,523.52 = 4,253.28 : x
  2. Step 2: Convert to fraction form
    13,021.44/19,523.52 = 4,253.28/x
  3. Step 3: Cross multiply
    13,021.44x = 19,523.52 × 4,253.28
  4. Step 4: Simplify right side
    13,021.44x = 83,038,997.15
  5. Step 5: Solve for x
    x = 83,038,997.15/13,021.44
  6. Step 6: Final answer
    x = 6,377.10

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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.