Home / 15,668.20-21,623.48-8,596.08

Finding the Fourth Proportional to 15,668.20, 21,623.48 and 8,596.08

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Solution

The fourth proportional to 15,668.20, 21,623.48 and 8,596.08 is: 11,863.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,668.20 : 21,623.48 = 8,596.08 : x
  2. Step 2: Convert to fraction form
    15,668.20/21,623.48 = 8,596.08/x
  3. Step 3: Cross multiply
    15,668.20x = 21,623.48 × 8,596.08
  4. Step 4: Simplify right side
    15,668.20x = 185,877,163.96
  5. Step 5: Solve for x
    x = 185,877,163.96/15,668.20
  6. Step 6: Final answer
    x = 11,863.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.