Home / 13,736.18-20,586.04-7,160.60

Finding the Fourth Proportional to 13,736.18, 20,586.04 and 7,160.60

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Solution

The fourth proportional to 13,736.18, 20,586.04 and 7,160.60 is: 10,731.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,736.18 : 20,586.04 = 7,160.60 : x
  2. Step 2: Convert to fraction form
    13,736.18/20,586.04 = 7,160.60/x
  3. Step 3: Cross multiply
    13,736.18x = 20,586.04 × 7,160.60
  4. Step 4: Simplify right side
    13,736.18x = 147,408,277.19
  5. Step 5: Solve for x
    x = 147,408,277.19/13,736.18
  6. Step 6: Final answer
    x = 10,731.39

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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.