Home / 14,147.04-21,223.88-13,911.96

Finding the Fourth Proportional to 14,147.04, 21,223.88 and 13,911.96

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Solution

The fourth proportional to 14,147.04, 21,223.88 and 13,911.96 is: 20,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.04 : 21,223.88 = 13,911.96 : x
  2. Step 2: Convert to fraction form
    14,147.04/21,223.88 = 13,911.96/x
  3. Step 3: Cross multiply
    14,147.04x = 21,223.88 × 13,911.96
  4. Step 4: Simplify right side
    14,147.04x = 295,265,769.60
  5. Step 5: Solve for x
    x = 295,265,769.60/14,147.04
  6. Step 6: Final answer
    x = 20,871.20

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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.