Home / 10,688.78-16,032.41-3,292.47

Finding the Fourth Proportional to 10,688.78, 16,032.41 and 3,292.47

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Solution

The fourth proportional to 10,688.78, 16,032.41 and 3,292.47 is: 4,938.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,688.78 : 16,032.41 = 3,292.47 : x
  2. Step 2: Convert to fraction form
    10,688.78/16,032.41 = 3,292.47/x
  3. Step 3: Cross multiply
    10,688.78x = 16,032.41 × 3,292.47
  4. Step 4: Simplify right side
    10,688.78x = 52,786,228.95
  5. Step 5: Solve for x
    x = 52,786,228.95/10,688.78
  6. Step 6: Final answer
    x = 4,938.47

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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.