Home / 13,383.02-20,067.70-4,495.30

Finding the Fourth Proportional to 13,383.02, 20,067.70 and 4,495.30

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Solution

The fourth proportional to 13,383.02, 20,067.70 and 4,495.30 is: 6,740.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,383.02 : 20,067.70 = 4,495.30 : x
  2. Step 2: Convert to fraction form
    13,383.02/20,067.70 = 4,495.30/x
  3. Step 3: Cross multiply
    13,383.02x = 20,067.70 × 4,495.30
  4. Step 4: Simplify right side
    13,383.02x = 90,210,331.81
  5. Step 5: Solve for x
    x = 90,210,331.81/13,383.02
  6. Step 6: Final answer
    x = 6,740.66

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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.