Home / 13,507.26-18,637.26-8,199.18

Finding the Fourth Proportional to 13,507.26, 18,637.26 and 8,199.18

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Solution

The fourth proportional to 13,507.26, 18,637.26 and 8,199.18 is: 11,313.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,507.26 : 18,637.26 = 8,199.18 : x
  2. Step 2: Convert to fraction form
    13,507.26/18,637.26 = 8,199.18/x
  3. Step 3: Cross multiply
    13,507.26x = 18,637.26 × 8,199.18
  4. Step 4: Simplify right side
    13,507.26x = 152,810,249.45
  5. Step 5: Solve for x
    x = 152,810,249.45/13,507.26
  6. Step 6: Final answer
    x = 11,313.19

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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.