Home / 22,772.55-34,161.68-12,228.08

Finding the Fourth Proportional to 22,772.55, 34,161.68 and 12,228.08

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Solution

The fourth proportional to 22,772.55, 34,161.68 and 12,228.08 is: 18,343.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,772.55 : 34,161.68 = 12,228.08 : x
  2. Step 2: Convert to fraction form
    22,772.55/34,161.68 = 12,228.08/x
  3. Step 3: Cross multiply
    22,772.55x = 34,161.68 × 12,228.08
  4. Step 4: Simplify right side
    22,772.55x = 417,731,615.74
  5. Step 5: Solve for x
    x = 417,731,615.74/22,772.55
  6. Step 6: Final answer
    x = 18,343.64

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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.