Home / 14,717.80-22,011.90-11,218.60

Finding the Fourth Proportional to 14,717.80, 22,011.90 and 11,218.60

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Solution

The fourth proportional to 14,717.80, 22,011.90 and 11,218.60 is: 16,778.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,717.80 : 22,011.90 = 11,218.60 : x
  2. Step 2: Convert to fraction form
    14,717.80/22,011.90 = 11,218.60/x
  3. Step 3: Cross multiply
    14,717.80x = 22,011.90 × 11,218.60
  4. Step 4: Simplify right side
    14,717.80x = 246,942,701.34
  5. Step 5: Solve for x
    x = 246,942,701.34/14,717.80
  6. Step 6: Final answer
    x = 16,778.51

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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.