Home / 13,383.11-18,465.58-8,004.51

Finding the Fourth Proportional to 13,383.11, 18,465.58 and 8,004.51

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Solution

The fourth proportional to 13,383.11, 18,465.58 and 8,004.51 is: 11,044.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,383.11 : 18,465.58 = 8,004.51 : x
  2. Step 2: Convert to fraction form
    13,383.11/18,465.58 = 8,004.51/x
  3. Step 3: Cross multiply
    13,383.11x = 18,465.58 × 8,004.51
  4. Step 4: Simplify right side
    13,383.11x = 147,807,919.77
  5. Step 5: Solve for x
    x = 147,807,919.77/13,383.11
  6. Step 6: Final answer
    x = 11,044.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.