Home / 13,021.62-19,534.19-4,253.64

Finding the Fourth Proportional to 13,021.62, 19,534.19 and 4,253.64

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Solution

The fourth proportional to 13,021.62, 19,534.19 and 4,253.64 is: 6,381.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021.62 : 19,534.19 = 4,253.64 : x
  2. Step 2: Convert to fraction form
    13,021.62/19,534.19 = 4,253.64/x
  3. Step 3: Cross multiply
    13,021.62x = 19,534.19 × 4,253.64
  4. Step 4: Simplify right side
    13,021.62x = 83,091,390.68
  5. Step 5: Solve for x
    x = 83,091,390.68/13,021.62
  6. Step 6: Final answer
    x = 6,381.03

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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.