Home / 15,669.12-21,623.36-8,595.52

Finding the Fourth Proportional to 15,669.12, 21,623.36 and 8,595.52

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Solution

The fourth proportional to 15,669.12, 21,623.36 and 8,595.52 is: 11,861.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,669.12 : 21,623.36 = 8,595.52 : x
  2. Step 2: Convert to fraction form
    15,669.12/21,623.36 = 8,595.52/x
  3. Step 3: Cross multiply
    15,669.12x = 21,623.36 × 8,595.52
  4. Step 4: Simplify right side
    15,669.12x = 185,864,023.35
  5. Step 5: Solve for x
    x = 185,864,023.35/15,669.12
  6. Step 6: Final answer
    x = 11,861.80

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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.