Home / 13,333.84-20,009.60-5,542.64

Finding the Fourth Proportional to 13,333.84, 20,009.60 and 5,542.64

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Solution

The fourth proportional to 13,333.84, 20,009.60 and 5,542.64 is: 8,317.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333.84 : 20,009.60 = 5,542.64 : x
  2. Step 2: Convert to fraction form
    13,333.84/20,009.60 = 5,542.64/x
  3. Step 3: Cross multiply
    13,333.84x = 20,009.60 × 5,542.64
  4. Step 4: Simplify right side
    13,333.84x = 110,906,009.34
  5. Step 5: Solve for x
    x = 110,906,009.34/13,333.84
  6. Step 6: Final answer
    x = 8,317.63

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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.