Home / 19,309.53-28,964.81-6,161.89

Finding the Fourth Proportional to 19,309.53, 28,964.81 and 6,161.89

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Solution

The fourth proportional to 19,309.53, 28,964.81 and 6,161.89 is: 9,242.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,309.53 : 28,964.81 = 6,161.89 : x
  2. Step 2: Convert to fraction form
    19,309.53/28,964.81 = 6,161.89/x
  3. Step 3: Cross multiply
    19,309.53x = 28,964.81 × 6,161.89
  4. Step 4: Simplify right side
    19,309.53x = 178,477,869.87
  5. Step 5: Solve for x
    x = 178,477,869.87/19,309.53
  6. Step 6: Final answer
    x = 9,242.99

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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.