Home / 22,227.50-30,672.68-12,154.08

Finding the Fourth Proportional to 22,227.50, 30,672.68 and 12,154.08

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Solution

The fourth proportional to 22,227.50, 30,672.68 and 12,154.08 is: 16,771.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,227.50 : 30,672.68 = 12,154.08 : x
  2. Step 2: Convert to fraction form
    22,227.50/30,672.68 = 12,154.08/x
  3. Step 3: Cross multiply
    22,227.50x = 30,672.68 × 12,154.08
  4. Step 4: Simplify right side
    22,227.50x = 372,798,206.53
  5. Step 5: Solve for x
    x = 372,798,206.53/22,227.50
  6. Step 6: Final answer
    x = 16,771.94

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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.