Home / 14,551.50-20,076.03-8,177.22

Finding the Fourth Proportional to 14,551.50, 20,076.03 and 8,177.22

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Solution

The fourth proportional to 14,551.50, 20,076.03 and 8,177.22 is: 11,281.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,551.50 : 20,076.03 = 8,177.22 : x
  2. Step 2: Convert to fraction form
    14,551.50/20,076.03 = 8,177.22/x
  3. Step 3: Cross multiply
    14,551.50x = 20,076.03 × 8,177.22
  4. Step 4: Simplify right side
    14,551.50x = 164,166,114.04
  5. Step 5: Solve for x
    x = 164,166,114.04/14,551.50
  6. Step 6: Final answer
    x = 11,281.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.