Home / 13,532.12-18,676.44-8,228.60

Finding the Fourth Proportional to 13,532.12, 18,676.44 and 8,228.60

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Solution

The fourth proportional to 13,532.12, 18,676.44 and 8,228.60 is: 11,356.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532.12 : 18,676.44 = 8,228.60 : x
  2. Step 2: Convert to fraction form
    13,532.12/18,676.44 = 8,228.60/x
  3. Step 3: Cross multiply
    13,532.12x = 18,676.44 × 8,228.60
  4. Step 4: Simplify right side
    13,532.12x = 153,680,954.18
  5. Step 5: Solve for x
    x = 153,680,954.18/13,532.12
  6. Step 6: Final answer
    x = 11,356.75

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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.