Home / 13,317.77-18,385.17-8,283.60

Finding the Fourth Proportional to 13,317.77, 18,385.17 and 8,283.60

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Solution

The fourth proportional to 13,317.77, 18,385.17 and 8,283.60 is: 11,435.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317.77 : 18,385.17 = 8,283.60 : x
  2. Step 2: Convert to fraction form
    13,317.77/18,385.17 = 8,283.60/x
  3. Step 3: Cross multiply
    13,317.77x = 18,385.17 × 8,283.60
  4. Step 4: Simplify right side
    13,317.77x = 152,295,481.48
  5. Step 5: Solve for x
    x = 152,295,481.48/13,317.77
  6. Step 6: Final answer
    x = 11,435.51

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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.