Home / 13,596.44-20,405.05-6,580.58

Finding the Fourth Proportional to 13,596.44, 20,405.05 and 6,580.58

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Solution

The fourth proportional to 13,596.44, 20,405.05 and 6,580.58 is: 9,875.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596.44 : 20,405.05 = 6,580.58 : x
  2. Step 2: Convert to fraction form
    13,596.44/20,405.05 = 6,580.58/x
  3. Step 3: Cross multiply
    13,596.44x = 20,405.05 × 6,580.58
  4. Step 4: Simplify right side
    13,596.44x = 134,276,945.45
  5. Step 5: Solve for x
    x = 134,276,945.45/13,596.44
  6. Step 6: Final answer
    x = 9,875.89

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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.