Home / 12,303.66-18,454.82-3,538.22

Finding the Fourth Proportional to 12,303.66, 18,454.82 and 3,538.22

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Solution

The fourth proportional to 12,303.66, 18,454.82 and 3,538.22 is: 5,307.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303.66 : 18,454.82 = 3,538.22 : x
  2. Step 2: Convert to fraction form
    12,303.66/18,454.82 = 3,538.22/x
  3. Step 3: Cross multiply
    12,303.66x = 18,454.82 × 3,538.22
  4. Step 4: Simplify right side
    12,303.66x = 65,297,213.22
  5. Step 5: Solve for x
    x = 65,297,213.22/12,303.66
  6. Step 6: Final answer
    x = 5,307.14

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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.