Home / 13,297.30-18,350.66-7,329.35

Finding the Fourth Proportional to 13,297.30, 18,350.66 and 7,329.35

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Solution

The fourth proportional to 13,297.30, 18,350.66 and 7,329.35 is: 10,114.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.30 : 18,350.66 = 7,329.35 : x
  2. Step 2: Convert to fraction form
    13,297.30/18,350.66 = 7,329.35/x
  3. Step 3: Cross multiply
    13,297.30x = 18,350.66 × 7,329.35
  4. Step 4: Simplify right side
    13,297.30x = 134,498,474.07
  5. Step 5: Solve for x
    x = 134,498,474.07/13,297.30
  6. Step 6: Final answer
    x = 10,114.72

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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.