Home / 14,512.12-21,780.60-14,403.04

Finding the Fourth Proportional to 14,512.12, 21,780.60 and 14,403.04

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Solution

The fourth proportional to 14,512.12, 21,780.60 and 14,403.04 is: 21,616.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,512.12 : 21,780.60 = 14,403.04 : x
  2. Step 2: Convert to fraction form
    14,512.12/21,780.60 = 14,403.04/x
  3. Step 3: Cross multiply
    14,512.12x = 21,780.60 × 14,403.04
  4. Step 4: Simplify right side
    14,512.12x = 313,706,853.02
  5. Step 5: Solve for x
    x = 313,706,853.02/14,512.12
  6. Step 6: Final answer
    x = 21,616.89

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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.