Home / 14,516.74-21,773.50-3,987.56

Finding the Fourth Proportional to 14,516.74, 21,773.50 and 3,987.56

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Solution

The fourth proportional to 14,516.74, 21,773.50 and 3,987.56 is: 5,980.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,516.74 : 21,773.50 = 3,987.56 : x
  2. Step 2: Convert to fraction form
    14,516.74/21,773.50 = 3,987.56/x
  3. Step 3: Cross multiply
    14,516.74x = 21,773.50 × 3,987.56
  4. Step 4: Simplify right side
    14,516.74x = 86,823,137.66
  5. Step 5: Solve for x
    x = 86,823,137.66/14,516.74
  6. Step 6: Final answer
    x = 5,980.90

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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.