Home / 10,239.38-15,357.84-3,574.71

Finding the Fourth Proportional to 10,239.38, 15,357.84 and 3,574.71

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Solution

The fourth proportional to 10,239.38, 15,357.84 and 3,574.71 is: 5,361.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,239.38 : 15,357.84 = 3,574.71 : x
  2. Step 2: Convert to fraction form
    10,239.38/15,357.84 = 3,574.71/x
  3. Step 3: Cross multiply
    10,239.38x = 15,357.84 × 3,574.71
  4. Step 4: Simplify right side
    10,239.38x = 54,899,824.23
  5. Step 5: Solve for x
    x = 54,899,824.23/10,239.38
  6. Step 6: Final answer
    x = 5,361.64

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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.