Home / 14,143.16-21,170.98-12,043.64

Finding the Fourth Proportional to 14,143.16, 21,170.98 and 12,043.64

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Solution

The fourth proportional to 14,143.16, 21,170.98 and 12,043.64 is: 18,028.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,143.16 : 21,170.98 = 12,043.64 : x
  2. Step 2: Convert to fraction form
    14,143.16/21,170.98 = 12,043.64/x
  3. Step 3: Cross multiply
    14,143.16x = 21,170.98 × 12,043.64
  4. Step 4: Simplify right side
    14,143.16x = 254,975,661.57
  5. Step 5: Solve for x
    x = 254,975,661.57/14,143.16
  6. Step 6: Final answer
    x = 18,028.20

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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.