Home / 15,362.45-21,200.01-8,902.97

Finding the Fourth Proportional to 15,362.45, 21,200.01 and 8,902.97

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Solution

The fourth proportional to 15,362.45, 21,200.01 and 8,902.97 is: 12,286.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,362.45 : 21,200.01 = 8,902.97 : x
  2. Step 2: Convert to fraction form
    15,362.45/21,200.01 = 8,902.97/x
  3. Step 3: Cross multiply
    15,362.45x = 21,200.01 × 8,902.97
  4. Step 4: Simplify right side
    15,362.45x = 188,743,053.03
  5. Step 5: Solve for x
    x = 188,743,053.03/15,362.45
  6. Step 6: Final answer
    x = 12,286.00

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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.