Home / 18,833.52-25,995.30-11,755.68

Finding the Fourth Proportional to 18,833.52, 25,995.30 and 11,755.68

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Solution

The fourth proportional to 18,833.52, 25,995.30 and 11,755.68 is: 16,225.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,833.52 : 25,995.30 = 11,755.68 : x
  2. Step 2: Convert to fraction form
    18,833.52/25,995.30 = 11,755.68/x
  3. Step 3: Cross multiply
    18,833.52x = 25,995.30 × 11,755.68
  4. Step 4: Simplify right side
    18,833.52x = 305,592,428.30
  5. Step 5: Solve for x
    x = 305,592,428.30/18,833.52
  6. Step 6: Final answer
    x = 16,225.99

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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.