Home / 14,197.13-21,186.32-12,469.40

Finding the Fourth Proportional to 14,197.13, 21,186.32 and 12,469.40

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Solution

The fourth proportional to 14,197.13, 21,186.32 and 12,469.40 is: 18,608.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,197.13 : 21,186.32 = 12,469.40 : x
  2. Step 2: Convert to fraction form
    14,197.13/21,186.32 = 12,469.40/x
  3. Step 3: Cross multiply
    14,197.13x = 21,186.32 × 12,469.40
  4. Step 4: Simplify right side
    14,197.13x = 264,180,636.26
  5. Step 5: Solve for x
    x = 264,180,636.26/14,197.13
  6. Step 6: Final answer
    x = 18,608.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.