Home / 10,986.85-16,483.92-4,409.65

Finding the Fourth Proportional to 10,986.85, 16,483.92 and 4,409.65

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Solution

The fourth proportional to 10,986.85, 16,483.92 and 4,409.65 is: 6,615.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.85 : 16,483.92 = 4,409.65 : x
  2. Step 2: Convert to fraction form
    10,986.85/16,483.92 = 4,409.65/x
  3. Step 3: Cross multiply
    10,986.85x = 16,483.92 × 4,409.65
  4. Step 4: Simplify right side
    10,986.85x = 72,688,317.83
  5. Step 5: Solve for x
    x = 72,688,317.83/10,986.85
  6. Step 6: Final answer
    x = 6,615.94

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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.