Home / 13,346.30-20,019.41-12,534.37

Finding the Fourth Proportional to 13,346.30, 20,019.41 and 12,534.37

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Solution

The fourth proportional to 13,346.30, 20,019.41 and 12,534.37 is: 18,801.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346.30 : 20,019.41 = 12,534.37 : x
  2. Step 2: Convert to fraction form
    13,346.30/20,019.41 = 12,534.37/x
  3. Step 3: Cross multiply
    13,346.30x = 20,019.41 × 12,534.37
  4. Step 4: Simplify right side
    13,346.30x = 250,930,673.41
  5. Step 5: Solve for x
    x = 250,930,673.41/13,346.30
  6. Step 6: Final answer
    x = 18,801.52

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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.