Home / 13,208.00-18,228.90-8,173.84

Finding the Fourth Proportional to 13,208.00, 18,228.90 and 8,173.84

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Solution

The fourth proportional to 13,208.00, 18,228.90 and 8,173.84 is: 11,281.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208.00 : 18,228.90 = 8,173.84 : x
  2. Step 2: Convert to fraction form
    13,208.00/18,228.90 = 8,173.84/x
  3. Step 3: Cross multiply
    13,208.00x = 18,228.90 × 8,173.84
  4. Step 4: Simplify right side
    13,208.00x = 149,000,165.41
  5. Step 5: Solve for x
    x = 149,000,165.41/13,208.00
  6. Step 6: Final answer
    x = 11,281.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.