Home / 10,954.35-16,432.90-4,289.99

Finding the Fourth Proportional to 10,954.35, 16,432.90 and 4,289.99

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Solution

The fourth proportional to 10,954.35, 16,432.90 and 4,289.99 is: 6,435.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.35 : 16,432.90 = 4,289.99 : x
  2. Step 2: Convert to fraction form
    10,954.35/16,432.90 = 4,289.99/x
  3. Step 3: Cross multiply
    10,954.35x = 16,432.90 × 4,289.99
  4. Step 4: Simplify right side
    10,954.35x = 70,496,976.67
  5. Step 5: Solve for x
    x = 70,496,976.67/10,954.35
  6. Step 6: Final answer
    x = 6,435.52

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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.