Home / 15,514.88-23,276.90-8,945.78

Finding the Fourth Proportional to 15,514.88, 23,276.90 and 8,945.78

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Solution

The fourth proportional to 15,514.88, 23,276.90 and 8,945.78 is: 13,421.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,514.88 : 23,276.90 = 8,945.78 : x
  2. Step 2: Convert to fraction form
    15,514.88/23,276.90 = 8,945.78/x
  3. Step 3: Cross multiply
    15,514.88x = 23,276.90 × 8,945.78
  4. Step 4: Simplify right side
    15,514.88x = 208,229,932.46
  5. Step 5: Solve for x
    x = 208,229,932.46/15,514.88
  6. Step 6: Final answer
    x = 13,421.31

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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.