Home / 13,400.64-20,100.96-10,783.07

Finding the Fourth Proportional to 13,400.64, 20,100.96 and 10,783.07

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Solution

The fourth proportional to 13,400.64, 20,100.96 and 10,783.07 is: 16,174.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,400.64 : 20,100.96 = 10,783.07 : x
  2. Step 2: Convert to fraction form
    13,400.64/20,100.96 = 10,783.07/x
  3. Step 3: Cross multiply
    13,400.64x = 20,100.96 × 10,783.07
  4. Step 4: Simplify right side
    13,400.64x = 216,750,146.69
  5. Step 5: Solve for x
    x = 216,750,146.69/13,400.64
  6. Step 6: Final answer
    x = 16,174.61

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Similar ratio
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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.