Home / 11,929.71-17,889.57-4,530.09

Finding the Fourth Proportional to 11,929.71, 17,889.57 and 4,530.09

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Solution

The fourth proportional to 11,929.71, 17,889.57 and 4,530.09 is: 6,793.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.71 : 17,889.57 = 4,530.09 : x
  2. Step 2: Convert to fraction form
    11,929.71/17,889.57 = 4,530.09/x
  3. Step 3: Cross multiply
    11,929.71x = 17,889.57 × 4,530.09
  4. Step 4: Simplify right side
    11,929.71x = 81,041,362.16
  5. Step 5: Solve for x
    x = 81,041,362.16/11,929.71
  6. Step 6: Final answer
    x = 6,793.24

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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.