Home / 14,451.85-21,677.47-6,660.66

Finding the Fourth Proportional to 14,451.85, 21,677.47 and 6,660.66

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Solution

The fourth proportional to 14,451.85, 21,677.47 and 6,660.66 is: 9,990.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,451.85 : 21,677.47 = 6,660.66 : x
  2. Step 2: Convert to fraction form
    14,451.85/21,677.47 = 6,660.66/x
  3. Step 3: Cross multiply
    14,451.85x = 21,677.47 × 6,660.66
  4. Step 4: Simplify right side
    14,451.85x = 144,386,257.33
  5. Step 5: Solve for x
    x = 144,386,257.33/14,451.85
  6. Step 6: Final answer
    x = 9,990.85

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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.