Home / 14,512.60-21,801.30-13,961.80

Finding the Fourth Proportional to 14,512.60, 21,801.30 and 13,961.80

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Solution

The fourth proportional to 14,512.60, 21,801.30 and 13,961.80 is: 20,973.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,512.60 : 21,801.30 = 13,961.80 : x
  2. Step 2: Convert to fraction form
    14,512.60/21,801.30 = 13,961.80/x
  3. Step 3: Cross multiply
    14,512.60x = 21,801.30 × 13,961.80
  4. Step 4: Simplify right side
    14,512.60x = 304,385,390.34
  5. Step 5: Solve for x
    x = 304,385,390.34/14,512.60
  6. Step 6: Final answer
    x = 20,973.87

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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.