Home / 14,451.54-21,676.98-6,660.35

Finding the Fourth Proportional to 14,451.54, 21,676.98 and 6,660.35

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Solution

The fourth proportional to 14,451.54, 21,676.98 and 6,660.35 is: 9,990.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,451.54 : 21,676.98 = 6,660.35 : x
  2. Step 2: Convert to fraction form
    14,451.54/21,676.98 = 6,660.35/x
  3. Step 3: Cross multiply
    14,451.54x = 21,676.98 × 6,660.35
  4. Step 4: Simplify right side
    14,451.54x = 144,376,273.74
  5. Step 5: Solve for x
    x = 144,376,273.74/14,451.54
  6. Step 6: Final answer
    x = 9,990.37

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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.