Home / 13,353.48-20,048.67-6,784.29

Finding the Fourth Proportional to 13,353.48, 20,048.67 and 6,784.29

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Solution

The fourth proportional to 13,353.48, 20,048.67 and 6,784.29 is: 10,185.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353.48 : 20,048.67 = 6,784.29 : x
  2. Step 2: Convert to fraction form
    13,353.48/20,048.67 = 6,784.29/x
  3. Step 3: Cross multiply
    13,353.48x = 20,048.67 × 6,784.29
  4. Step 4: Simplify right side
    13,353.48x = 136,015,991.39
  5. Step 5: Solve for x
    x = 136,015,991.39/13,353.48
  6. Step 6: Final answer
    x = 10,185.81

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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.