Home / 10,816.80-16,223.58-4,247.52

Finding the Fourth Proportional to 10,816.80, 16,223.58 and 4,247.52

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Solution

The fourth proportional to 10,816.80, 16,223.58 and 4,247.52 is: 6,370.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816.80 : 16,223.58 = 4,247.52 : x
  2. Step 2: Convert to fraction form
    10,816.80/16,223.58 = 4,247.52/x
  3. Step 3: Cross multiply
    10,816.80x = 16,223.58 × 4,247.52
  4. Step 4: Simplify right side
    10,816.80x = 68,909,980.52
  5. Step 5: Solve for x
    x = 68,909,980.52/10,816.80
  6. Step 6: Final answer
    x = 6,370.64

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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.