Home / 15,593.13-21,518.48-8,519.61

Finding the Fourth Proportional to 15,593.13, 21,518.48 and 8,519.61

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Solution

The fourth proportional to 15,593.13, 21,518.48 and 8,519.61 is: 11,757.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,593.13 : 21,518.48 = 8,519.61 : x
  2. Step 2: Convert to fraction form
    15,593.13/21,518.48 = 8,519.61/x
  3. Step 3: Cross multiply
    15,593.13x = 21,518.48 × 8,519.61
  4. Step 4: Simplify right side
    15,593.13x = 183,329,014.79
  5. Step 5: Solve for x
    x = 183,329,014.79/15,593.13
  6. Step 6: Final answer
    x = 11,757.04

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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.