Home / 11,242.47-16,865.53-4,223.03

Finding the Fourth Proportional to 11,242.47, 16,865.53 and 4,223.03

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Solution

The fourth proportional to 11,242.47, 16,865.53 and 4,223.03 is: 6,335.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242.47 : 16,865.53 = 4,223.03 : x
  2. Step 2: Convert to fraction form
    11,242.47/16,865.53 = 4,223.03/x
  3. Step 3: Cross multiply
    11,242.47x = 16,865.53 × 4,223.03
  4. Step 4: Simplify right side
    11,242.47x = 71,223,639.16
  5. Step 5: Solve for x
    x = 71,223,639.16/11,242.47
  6. Step 6: Final answer
    x = 6,335.23

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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.