Home / 15,379.88-23,045.51-11,613.81

Finding the Fourth Proportional to 15,379.88, 23,045.51 and 11,613.81

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Solution

The fourth proportional to 15,379.88, 23,045.51 and 11,613.81 is: 17,402.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,379.88 : 23,045.51 = 11,613.81 : x
  2. Step 2: Convert to fraction form
    15,379.88/23,045.51 = 11,613.81/x
  3. Step 3: Cross multiply
    15,379.88x = 23,045.51 × 11,613.81
  4. Step 4: Simplify right side
    15,379.88x = 267,646,289.95
  5. Step 5: Solve for x
    x = 267,646,289.95/15,379.88
  6. Step 6: Final answer
    x = 17,402.37

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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.