Home / 12,302.88-18,457.39-3,537.79

Finding the Fourth Proportional to 12,302.88, 18,457.39 and 3,537.79

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Solution

The fourth proportional to 12,302.88, 18,457.39 and 3,537.79 is: 5,307.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302.88 : 18,457.39 = 3,537.79 : x
  2. Step 2: Convert to fraction form
    12,302.88/18,457.39 = 3,537.79/x
  3. Step 3: Cross multiply
    12,302.88x = 18,457.39 × 3,537.79
  4. Step 4: Simplify right side
    12,302.88x = 65,298,369.77
  5. Step 5: Solve for x
    x = 65,298,369.77/12,302.88
  6. Step 6: Final answer
    x = 5,307.57

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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.