Home / 13,241.76-18,268.96-8,210.08

Finding the Fourth Proportional to 13,241.76, 18,268.96 and 8,210.08

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Solution

The fourth proportional to 13,241.76, 18,268.96 and 8,210.08 is: 11,327.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.76 : 18,268.96 = 8,210.08 : x
  2. Step 2: Convert to fraction form
    13,241.76/18,268.96 = 8,210.08/x
  3. Step 3: Cross multiply
    13,241.76x = 18,268.96 × 8,210.08
  4. Step 4: Simplify right side
    13,241.76x = 149,989,623.12
  5. Step 5: Solve for x
    x = 149,989,623.12/13,241.76
  6. Step 6: Final answer
    x = 11,327.02

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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.