Home / 15,775.30-23,613.73-11,620

Finding the Fourth Proportional to 15,775.30, 23,613.73 and 11,620

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Solution

The fourth proportional to 15,775.30, 23,613.73 and 11,620 is: 17,393.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,775.30 : 23,613.73 = 11,620 : x
  2. Step 2: Convert to fraction form
    15,775.30/23,613.73 = 11,620/x
  3. Step 3: Cross multiply
    15,775.30x = 23,613.73 × 11,620
  4. Step 4: Simplify right side
    15,775.30x = 274,391,542.60
  5. Step 5: Solve for x
    x = 274,391,542.60/15,775.30
  6. Step 6: Final answer
    x = 17,393.74

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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.