Home / 15,669.62-21,623.38-8,595.90

Finding the Fourth Proportional to 15,669.62, 21,623.38 and 8,595.90

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Solution

The fourth proportional to 15,669.62, 21,623.38 and 8,595.90 is: 11,861.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,669.62 : 21,623.38 = 8,595.90 : x
  2. Step 2: Convert to fraction form
    15,669.62/21,623.38 = 8,595.90/x
  3. Step 3: Cross multiply
    15,669.62x = 21,623.38 × 8,595.90
  4. Step 4: Simplify right side
    15,669.62x = 185,872,412.14
  5. Step 5: Solve for x
    x = 185,872,412.14/15,669.62
  6. Step 6: Final answer
    x = 11,861.96

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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.