Home / 13,282.11-18,329.43-7,313.80

Finding the Fourth Proportional to 13,282.11, 18,329.43 and 7,313.80

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Solution

The fourth proportional to 13,282.11, 18,329.43 and 7,313.80 is: 10,093.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282.11 : 18,329.43 = 7,313.80 : x
  2. Step 2: Convert to fraction form
    13,282.11/18,329.43 = 7,313.80/x
  3. Step 3: Cross multiply
    13,282.11x = 18,329.43 × 7,313.80
  4. Step 4: Simplify right side
    13,282.11x = 134,057,801.10
  5. Step 5: Solve for x
    x = 134,057,801.10/13,282.11
  6. Step 6: Final answer
    x = 10,093.11

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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.