Home / 22,412.89-33,609.61-7,617.84

Finding the Fourth Proportional to 22,412.89, 33,609.61 and 7,617.84

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Solution

The fourth proportional to 22,412.89, 33,609.61 and 7,617.84 is: 11,423.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,412.89 : 33,609.61 = 7,617.84 : x
  2. Step 2: Convert to fraction form
    22,412.89/33,609.61 = 7,617.84/x
  3. Step 3: Cross multiply
    22,412.89x = 33,609.61 × 7,617.84
  4. Step 4: Simplify right side
    22,412.89x = 256,032,631.44
  5. Step 5: Solve for x
    x = 256,032,631.44/22,412.89
  6. Step 6: Final answer
    x = 11,423.45

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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.