Home / 12,260.81-18,390.85-7,297.24

Finding the Fourth Proportional to 12,260.81, 18,390.85 and 7,297.24

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Solution

The fourth proportional to 12,260.81, 18,390.85 and 7,297.24 is: 10,945.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260.81 : 18,390.85 = 7,297.24 : x
  2. Step 2: Convert to fraction form
    12,260.81/18,390.85 = 7,297.24/x
  3. Step 3: Cross multiply
    12,260.81x = 18,390.85 × 7,297.24
  4. Step 4: Simplify right side
    12,260.81x = 134,202,446.25
  5. Step 5: Solve for x
    x = 134,202,446.25/12,260.81
  6. Step 6: Final answer
    x = 10,945.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.