Home / 22,011.68-30,375.72-11,940.08

Finding the Fourth Proportional to 22,011.68, 30,375.72 and 11,940.08

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Solution

The fourth proportional to 22,011.68, 30,375.72 and 11,940.08 is: 16,477.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,011.68 : 30,375.72 = 11,940.08 : x
  2. Step 2: Convert to fraction form
    22,011.68/30,375.72 = 11,940.08/x
  3. Step 3: Cross multiply
    22,011.68x = 30,375.72 × 11,940.08
  4. Step 4: Simplify right side
    22,011.68x = 362,688,526.86
  5. Step 5: Solve for x
    x = 362,688,526.86/22,011.68
  6. Step 6: Final answer
    x = 16,477.09

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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.