Home / 13,317.06-18,383.57-8,473.77

Finding the Fourth Proportional to 13,317.06, 18,383.57 and 8,473.77

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Solution

The fourth proportional to 13,317.06, 18,383.57 and 8,473.77 is: 11,697.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317.06 : 18,383.57 = 8,473.77 : x
  2. Step 2: Convert to fraction form
    13,317.06/18,383.57 = 8,473.77/x
  3. Step 3: Cross multiply
    13,317.06x = 18,383.57 × 8,473.77
  4. Step 4: Simplify right side
    13,317.06x = 155,778,202.31
  5. Step 5: Solve for x
    x = 155,778,202.31/13,317.06
  6. Step 6: Final answer
    x = 11,697.65

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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.