Home / 15,902.07-21,945.24-8,828.88

Finding the Fourth Proportional to 15,902.07, 21,945.24 and 8,828.88

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Solution

The fourth proportional to 15,902.07, 21,945.24 and 8,828.88 is: 12,184.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,902.07 : 21,945.24 = 8,828.88 : x
  2. Step 2: Convert to fraction form
    15,902.07/21,945.24 = 8,828.88/x
  3. Step 3: Cross multiply
    15,902.07x = 21,945.24 × 8,828.88
  4. Step 4: Simplify right side
    15,902.07x = 193,751,890.53
  5. Step 5: Solve for x
    x = 193,751,890.53/15,902.07
  6. Step 6: Final answer
    x = 12,184.07

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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.