Home / 13,606.21-20,415.59-6,212.93

Finding the Fourth Proportional to 13,606.21, 20,415.59 and 6,212.93

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Solution

The fourth proportional to 13,606.21, 20,415.59 and 6,212.93 is: 9,322.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,606.21 : 20,415.59 = 6,212.93 : x
  2. Step 2: Convert to fraction form
    13,606.21/20,415.59 = 6,212.93/x
  3. Step 3: Cross multiply
    13,606.21x = 20,415.59 × 6,212.93
  4. Step 4: Simplify right side
    13,606.21x = 126,840,619.10
  5. Step 5: Solve for x
    x = 126,840,619.10/13,606.21
  6. Step 6: Final answer
    x = 9,322.26

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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.