Home / 13,536.57-18,680.79-7,568.19

Finding the Fourth Proportional to 13,536.57, 18,680.79 and 7,568.19

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Solution

The fourth proportional to 13,536.57, 18,680.79 and 7,568.19 is: 10,444.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,536.57 : 18,680.79 = 7,568.19 : x
  2. Step 2: Convert to fraction form
    13,536.57/18,680.79 = 7,568.19/x
  3. Step 3: Cross multiply
    13,536.57x = 18,680.79 × 7,568.19
  4. Step 4: Simplify right side
    13,536.57x = 141,379,796.45
  5. Step 5: Solve for x
    x = 141,379,796.45/13,536.57
  6. Step 6: Final answer
    x = 10,444.28

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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.