Home / 10,929.81-16,380.19-4,352.38

Finding the Fourth Proportional to 10,929.81, 16,380.19 and 4,352.38

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Solution

The fourth proportional to 10,929.81, 16,380.19 and 4,352.38 is: 6,522.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,929.81 : 16,380.19 = 4,352.38 : x
  2. Step 2: Convert to fraction form
    10,929.81/16,380.19 = 4,352.38/x
  3. Step 3: Cross multiply
    10,929.81x = 16,380.19 × 4,352.38
  4. Step 4: Simplify right side
    10,929.81x = 71,292,811.35
  5. Step 5: Solve for x
    x = 71,292,811.35/10,929.81
  6. Step 6: Final answer
    x = 6,522.79

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1.5x scale

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.