Home / 22,277.96-30,744.23-12,207.28

Finding the Fourth Proportional to 22,277.96, 30,744.23 and 12,207.28

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Solution

The fourth proportional to 22,277.96, 30,744.23 and 12,207.28 is: 16,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,277.96 : 30,744.23 = 12,207.28 : x
  2. Step 2: Convert to fraction form
    22,277.96/30,744.23 = 12,207.28/x
  3. Step 3: Cross multiply
    22,277.96x = 30,744.23 × 12,207.28
  4. Step 4: Simplify right side
    22,277.96x = 375,303,423.99
  5. Step 5: Solve for x
    x = 375,303,423.99/22,277.96
  6. Step 6: Final answer
    x = 16,846.40

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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.