Home / 22,195.50-30,628.55-12,637.73

Finding the Fourth Proportional to 22,195.50, 30,628.55 and 12,637.73

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Solution

The fourth proportional to 22,195.50, 30,628.55 and 12,637.73 is: 17,439.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,195.50 : 30,628.55 = 12,637.73 : x
  2. Step 2: Convert to fraction form
    22,195.50/30,628.55 = 12,637.73/x
  3. Step 3: Cross multiply
    22,195.50x = 30,628.55 × 12,637.73
  4. Step 4: Simplify right side
    22,195.50x = 387,075,128.86
  5. Step 5: Solve for x
    x = 387,075,128.86/22,195.50
  6. Step 6: Final answer
    x = 17,439.35

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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.