Home / 15,424.40-23,145.82-14,169.60

Finding the Fourth Proportional to 15,424.40, 23,145.82 and 14,169.60

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Solution

The fourth proportional to 15,424.40, 23,145.82 and 14,169.60 is: 21,262.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,424.40 : 23,145.82 = 14,169.60 : x
  2. Step 2: Convert to fraction form
    15,424.40/23,145.82 = 14,169.60/x
  3. Step 3: Cross multiply
    15,424.40x = 23,145.82 × 14,169.60
  4. Step 4: Simplify right side
    15,424.40x = 327,966,975.65
  5. Step 5: Solve for x
    x = 327,966,975.65/15,424.40
  6. Step 6: Final answer
    x = 21,262.86

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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.