Home / 15,412.62-23,118.93-3,725.84

Finding the Fourth Proportional to 15,412.62, 23,118.93 and 3,725.84

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Solution

The fourth proportional to 15,412.62, 23,118.93 and 3,725.84 is: 5,588.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,412.62 : 23,118.93 = 3,725.84 : x
  2. Step 2: Convert to fraction form
    15,412.62/23,118.93 = 3,725.84/x
  3. Step 3: Cross multiply
    15,412.62x = 23,118.93 × 3,725.84
  4. Step 4: Simplify right side
    15,412.62x = 86,137,318.56
  5. Step 5: Solve for x
    x = 86,137,318.56/15,412.62
  6. Step 6: Final answer
    x = 5,588.75

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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.