Home / 14,460.80-21,671.60-6,553.44

Finding the Fourth Proportional to 14,460.80, 21,671.60 and 6,553.44

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Solution

The fourth proportional to 14,460.80, 21,671.60 and 6,553.44 is: 9,821.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,460.80 : 21,671.60 = 6,553.44 : x
  2. Step 2: Convert to fraction form
    14,460.80/21,671.60 = 6,553.44/x
  3. Step 3: Cross multiply
    14,460.80x = 21,671.60 × 6,553.44
  4. Step 4: Simplify right side
    14,460.80x = 142,023,497.54
  5. Step 5: Solve for x
    x = 142,023,497.54/14,460.80
  6. Step 6: Final answer
    x = 9,821.28

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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.