Home / 15,561.86-23,353.17-8,072.33

Finding the Fourth Proportional to 15,561.86, 23,353.17 and 8,072.33

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Solution

The fourth proportional to 15,561.86, 23,353.17 and 8,072.33 is: 12,113.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,561.86 : 23,353.17 = 8,072.33 : x
  2. Step 2: Convert to fraction form
    15,561.86/23,353.17 = 8,072.33/x
  3. Step 3: Cross multiply
    15,561.86x = 23,353.17 × 8,072.33
  4. Step 4: Simplify right side
    15,561.86x = 188,514,494.79
  5. Step 5: Solve for x
    x = 188,514,494.79/15,561.86
  6. Step 6: Final answer
    x = 12,113.88

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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.