Home / 10,299.51-15,450.47-3,728.79

Finding the Fourth Proportional to 10,299.51, 15,450.47 and 3,728.79

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Solution

The fourth proportional to 10,299.51, 15,450.47 and 3,728.79 is: 5,593.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,299.51 : 15,450.47 = 3,728.79 : x
  2. Step 2: Convert to fraction form
    10,299.51/15,450.47 = 3,728.79/x
  3. Step 3: Cross multiply
    10,299.51x = 15,450.47 × 3,728.79
  4. Step 4: Simplify right side
    10,299.51x = 57,611,539.39
  5. Step 5: Solve for x
    x = 57,611,539.39/10,299.51
  6. Step 6: Final answer
    x = 5,593.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.