Home / 13,297.39-18,350.53-7,329.29

Finding the Fourth Proportional to 13,297.39, 18,350.53 and 7,329.29

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Solution

The fourth proportional to 13,297.39, 18,350.53 and 7,329.29 is: 10,114.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.39 : 18,350.53 = 7,329.29 : x
  2. Step 2: Convert to fraction form
    13,297.39/18,350.53 = 7,329.29/x
  3. Step 3: Cross multiply
    13,297.39x = 18,350.53 × 7,329.29
  4. Step 4: Simplify right side
    13,297.39x = 134,496,369.78
  5. Step 5: Solve for x
    x = 134,496,369.78/13,297.39
  6. Step 6: Final answer
    x = 10,114.49

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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.