Home / 10,929.63-16,394.46-4,685.61

Finding the Fourth Proportional to 10,929.63, 16,394.46 and 4,685.61

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Solution

The fourth proportional to 10,929.63, 16,394.46 and 4,685.61 is: 7,028.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,929.63 : 16,394.46 = 4,685.61 : x
  2. Step 2: Convert to fraction form
    10,929.63/16,394.46 = 4,685.61/x
  3. Step 3: Cross multiply
    10,929.63x = 16,394.46 × 4,685.61
  4. Step 4: Simplify right side
    10,929.63x = 76,818,045.72
  5. Step 5: Solve for x
    x = 76,818,045.72/10,929.63
  6. Step 6: Final answer
    x = 7,028.42

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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.