Home / 15,233.30-21,021.81-8,518.85

Finding the Fourth Proportional to 15,233.30, 21,021.81 and 8,518.85

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Solution

The fourth proportional to 15,233.30, 21,021.81 and 8,518.85 is: 11,755.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,233.30 : 21,021.81 = 8,518.85 : x
  2. Step 2: Convert to fraction form
    15,233.30/21,021.81 = 8,518.85/x
  3. Step 3: Cross multiply
    15,233.30x = 21,021.81 × 8,518.85
  4. Step 4: Simplify right side
    15,233.30x = 179,081,646.12
  5. Step 5: Solve for x
    x = 179,081,646.12/15,233.30
  6. Step 6: Final answer
    x = 11,755.93

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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.