Home / 13,285.51-18,333.77-7,317.73

Finding the Fourth Proportional to 13,285.51, 18,333.77 and 7,317.73

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Solution

The fourth proportional to 13,285.51, 18,333.77 and 7,317.73 is: 10,098.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285.51 : 18,333.77 = 7,317.73 : x
  2. Step 2: Convert to fraction form
    13,285.51/18,333.77 = 7,317.73/x
  3. Step 3: Cross multiply
    13,285.51x = 18,333.77 × 7,317.73
  4. Step 4: Simplify right side
    13,285.51x = 134,161,578.74
  5. Step 5: Solve for x
    x = 134,161,578.74/13,285.51
  6. Step 6: Final answer
    x = 10,098.34

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Similar ratio
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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.