Home / 11,538.34-17,307.52-3,218.38

Finding the Fourth Proportional to 11,538.34, 17,307.52 and 3,218.38

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Solution

The fourth proportional to 11,538.34, 17,307.52 and 3,218.38 is: 4,827.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,538.34 : 17,307.52 = 3,218.38 : x
  2. Step 2: Convert to fraction form
    11,538.34/17,307.52 = 3,218.38/x
  3. Step 3: Cross multiply
    11,538.34x = 17,307.52 × 3,218.38
  4. Step 4: Simplify right side
    11,538.34x = 55,702,176.22
  5. Step 5: Solve for x
    x = 55,702,176.22/11,538.34
  6. Step 6: Final answer
    x = 4,827.57

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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.