Home / 12,563.87-17,334.59-8,090.19

Finding the Fourth Proportional to 12,563.87, 17,334.59 and 8,090.19

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Solution

The fourth proportional to 12,563.87, 17,334.59 and 8,090.19 is: 11,162.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,563.87 : 17,334.59 = 8,090.19 : x
  2. Step 2: Convert to fraction form
    12,563.87/17,334.59 = 8,090.19/x
  3. Step 3: Cross multiply
    12,563.87x = 17,334.59 × 8,090.19
  4. Step 4: Simplify right side
    12,563.87x = 140,240,086.22
  5. Step 5: Solve for x
    x = 140,240,086.22/12,563.87
  6. Step 6: Final answer
    x = 11,162.18

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Double scale
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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.