Home / 10,821.04-16,239.26-4,247.23

Finding the Fourth Proportional to 10,821.04, 16,239.26 and 4,247.23

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Solution

The fourth proportional to 10,821.04, 16,239.26 and 4,247.23 is: 6,373.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.04 : 16,239.26 = 4,247.23 : x
  2. Step 2: Convert to fraction form
    10,821.04/16,239.26 = 4,247.23/x
  3. Step 3: Cross multiply
    10,821.04x = 16,239.26 × 4,247.23
  4. Step 4: Simplify right side
    10,821.04x = 68,971,872.25
  5. Step 5: Solve for x
    x = 68,971,872.25/10,821.04
  6. Step 6: Final answer
    x = 6,373.87

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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.