Home / 14,348.40-21,522.60-12,562.80

Finding the Fourth Proportional to 14,348.40, 21,522.60 and 12,562.80

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Solution

The fourth proportional to 14,348.40, 21,522.60 and 12,562.80 is: 18,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,348.40 : 21,522.60 = 12,562.80 : x
  2. Step 2: Convert to fraction form
    14,348.40/21,522.60 = 12,562.80/x
  3. Step 3: Cross multiply
    14,348.40x = 21,522.60 × 12,562.80
  4. Step 4: Simplify right side
    14,348.40x = 270,384,119.28
  5. Step 5: Solve for x
    x = 270,384,119.28/14,348.40
  6. Step 6: Final answer
    x = 18,844.20

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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.